Chemistry › Mole Concept
Mole Concept Questions
628 questions across 7 subtopics — with step-by-step solutions.
Atomic mass/Average Atomic Mass/Average Molecular Mass(61)
- Assertion : Ionisation potential of B (ato... | Chemistry | TestHub
- Which of the following is isoelectronic?NE... | Chemistry | TestHub
- The ions and are isoelectronic. Their ioni... | Chemistry | TestHub
- Assertion : emits a positron giving . Reas... | Chemistry | TestHub
- The isoelectronic pair is | Chemistry | TestHub
- emits -particles and -particles. The neutr... | Chemistry | TestHub
- The compound used in enrichment of uranium... | Chemistry | TestHub
- Which of the following radioisotopes is us... | Chemistry | TestHub
- Given, that the abundances of isotopes, an... | Chemistry | TestHub
- The correct order of the decreasing ionic... | Chemistry | TestHub
- Assertion : S.I. unit of atomic mass and m... | Chemistry | TestHub
- Chloride ion and potassium ion are isoelec... | Chemistry | TestHub
- Assertion : The nuclear isomers are the at... | Chemistry | TestHub
- Which of the following pairs has the same... | Chemistry | TestHub
- Bombardment of aluminium by -particle lead... | Chemistry | TestHub
- Identify the wrong statement in the follow... | Chemistry | TestHub
- is isoelectronic with which of the followi... | Chemistry | TestHub
- Which of the following pairs represent iso... | Chemistry | TestHub
- Which of the following pairs of iron are i... | Chemistry | TestHub
- Ifmetre is the radius of smallest electron... | Chemistry | TestHub
- In the and ions, the increasing order of s... | Chemistry | TestHub
- Assertion : The chemical properties of dif... | Chemistry | TestHub
- The number of protons, neutrons and electr... | Chemistry | TestHub
- The increasing order for the values of (ch... | Chemistry | TestHub
- From the following pairs of ions which one... | Chemistry | TestHub
- The radioactive isotope which is used in t... | Chemistry | TestHub
- Consider an imaginary ion. The nucleus con... | Chemistry | TestHub
- Which one of the following represents all... | Chemistry | TestHub
- Select the correct statements from the fol... | Chemistry | TestHub
- The element expected to form largest ion t... | Chemistry | TestHub
- List - IList - II(A) 40(P) Mixture of \mat... | Chemistry | TestHub
- The mole fractional abundance of \mathrm{B... | Chemistry | TestHub
- Calculate vapor density of Ozonized Oxygen... | Chemistry | TestHub
- 1120 ml of ozonised oxygen \left(\mathrm{O... | Chemistry | TestHub
- 1 gm of a mixture of equal number of moles... | Chemistry | TestHub
- An elements has three isotopes \mathrm{X}^... | Chemistry | TestHub
- An element exist in two isotopic forms \ma... | Chemistry | TestHub
- Sample I has higher O18/O16 ratio of atoms... | Chemistry | TestHub
- Match the columnsList - I(Average molecula... | Chemistry | TestHub
- Arrange the following (I to IV) in the inc... | Chemistry | TestHub
- The ratio of molar masses of A and D is | Chemistry | TestHub
- A 92 g mixture of methane () and ethane ()... | Chemistry | TestHub
- The number of atoms in ' A\:gm ' of an ele... | Chemistry | TestHub
- A compound contains a metal ( M ) and oxyg... | Chemistry | TestHub
- List - IList - II(I) Mass of one molecule... | Chemistry | TestHub
- What would be the mass (in gm) of gas in 2... | Chemistry | TestHub
- Statement-1: If an element X consists of t... | Chemistry | TestHub
- A solid metal element has a specific heat... | Chemistry | TestHub
- Statement-1: The atomic mass unit (amu) is... | Chemistry | TestHub
- Relative density of a gaseous substance w.... | Chemistry | TestHub
- If the atomic mass of element is given rel... | Chemistry | TestHub
- A sample of water contains only \mathrm{H}... | Chemistry | TestHub
- In a gaseous mixture an alkane \left(\math... | Chemistry | TestHub
- Sulphur molecule exists under various cond... | Chemistry | TestHub
- A certain compound has the molecular formu... | Chemistry | TestHub
- Density of air at STP is | Chemistry | TestHub
- List - IList - II(P) Mass of one molecule... | Chemistry | TestHub
- If 12 g of \mathrm{C}^{12} has equal numbe... | Chemistry | TestHub
- Moles of substance C at \mathrm{t}=30 \mat... | Chemistry | TestHub
- A mixture contains 2 mole \mathrm{CH}_{4}(... | Chemistry | TestHub
- 1 gm organic compound containing 4 carbon... | Chemistry | TestHub
Calculation of mole(139)
- Silver (atomic weight ) has a density of .... | Chemistry | TestHub
- Aluminium reacts with sulfuric acid to for... | Chemistry | TestHub
- Which one of the following has maximum mass - | Chemistry | TestHub
- Consider the following reaction \mathrm{NH... | Chemistry | TestHub
- ' y ' ml of ' y ' volume \mathrm{H}_{2} \m... | Chemistry | TestHub
- When a metal is burnt in nitrogen, it form... | Chemistry | TestHub
- 1.5 g of oxygen is produced by heating \ma... | Chemistry | TestHub
- A mixture of magnesium chloride \left(\mat... | Chemistry | TestHub
- Assertion : In the mixture of \mathrm{NaHC... | Chemistry | TestHub
- Coloured crystals obtained by the crystall... | Chemistry | TestHub
- Equal masses of \mathrm{SO}_{2} and \mathr... | Chemistry | TestHub
- How many moles of magnesium phosphate will... | Chemistry | TestHub
- A 19.6 g of a given mixture of gaseous sam... | Chemistry | TestHub
- 200 \mathrm{ml}, 2 \mathrm{M} \mathrm{Li}_... | Chemistry | TestHub
- Mole fraction of aqueous solution of \math... | Chemistry | TestHub
- Match the columns.List - IList - II(A) 5 m... | Chemistry | TestHub
- 254 g of Iodine and 142 g of Chlorine are... | Chemistry | TestHub
- Recent controversial efforts to generate e... | Chemistry | TestHub
- 50 g of a sample of \mathrm{Ca}(\mathrm{OH... | Chemistry | TestHub
- Sulfur trioxide may be prepared by the fol... | Chemistry | TestHub
- A 12 g pharmaceutical sample containing Co... | Chemistry | TestHub
- What volume of 0.5 \mathrm{M} \mathrm{Ba}(... | Chemistry | TestHub
- A 6.90 M solution of KOH in water has 30 \... | Chemistry | TestHub
- 200\mathrm{ml},2\mathrm{M}\:\mathrm{Li}_3\... | Chemistry | TestHub
- List - IList - II(A) 1 \mathrm{~mole} \mat... | Chemistry | TestHub
- Density of a 2.05 M solution of acetic aci... | Chemistry | TestHub
- 0.3 mol of a mixture of FeSO₄ and Fe₂(SO₄)... | Chemistry | TestHub
- Statement 1: \left[\mathrm{Fe}(\mathrm{CN}... | Chemistry | TestHub
- 8.7 g of pure MnO2 is heated with an exces... | Chemistry | TestHub
- From 3.01 \times 10^{24} molecules of wate... | Chemistry | TestHub
- 1.0 g metal nitrate gave 0.86 g of metal s... | Chemistry | TestHub
- In alkaline conditions, KMnO₄ reacts as .... | Chemistry | TestHub
- Match the following, and select the correc... | Chemistry | TestHub
- A one litre solution of 0.1 M of a metal c... | Chemistry | TestHub
- Assertion : Molality is independent of tem... | Chemistry | TestHub
- Calculate the amount of lime that can be p... | Chemistry | TestHub
- \mathrm{KIO}_{3} is treated with excess of... | Chemistry | TestHub
- The moles of Hydrogen in the mixture is | Chemistry | TestHub
- Identify the correct statement(s) among th... | Chemistry | TestHub
- Volume occupied by air at STP containing e... | Chemistry | TestHub
- Some \mathrm{CO}_{2} gas was kept in a sea... | Chemistry | TestHub
- Calculate % yield of the reaction if 200g... | Chemistry | TestHub
- The % loss in mass upon strong heating of... | Chemistry | TestHub
- 2 moles of \mathrm{FeSO}_{4} are oxidised... | Chemistry | TestHub
- Sulfur trioxide may be prepared by the fol... | Chemistry | TestHub
- Consider the following reaction occurring... | Chemistry | TestHub
- 0.36 g of iron pyrites is heated strongly... | Chemistry | TestHub
- 2.216 gm mixture of bleaching powder and e... | Chemistry | TestHub
- Number of moles of electrons taken up when... | Chemistry | TestHub
- What will be the equivalent mass of As₂S₃... | Chemistry | TestHub
- What is the number of moles of \mathrm{O}_... | Chemistry | TestHub
- The total number of protons in 10 g of cal... | Chemistry | TestHub
- Number of moles \mathrm{KMnO}_{4} that is... | Chemistry | TestHub
- The density of a liquid is 1.2 \mathrm{~g}... | Chemistry | TestHub
- Match the following:List - IList - II(A) 3... | Chemistry | TestHub
- What will be the number of total electrons... | Chemistry | TestHub
- A mixture of \mathrm{H}_{2}, \mathrm{~N}_{... | Chemistry | TestHub
- 10 ml of 1 N HCl is mixed with 20 ml of 1... | Chemistry | TestHub
- Match the ListList - I(No. of moles of )Li... | Chemistry | TestHub
- A 10.0 gram sample of a mixture of calcium... | Chemistry | TestHub
- Four one litre flasks are separately fille... | Chemistry | TestHub
- Statement-1: 1\text{ L} of an ideal gas at... | Chemistry | TestHub
- The equivalent weight of \mathrm{Cu}_{2} \... | Chemistry | TestHub
- Select the correct combination of 1 mol of... | Chemistry | TestHub
- \mathrm{Br}_{2}(\ell) reacts with \mathrm{... | Chemistry | TestHub
- Assertion : The concentration of 2.8 volum... | Chemistry | TestHub
- Assertion : \mathrm{NaHCO}_{3} cannot be e... | Chemistry | TestHub
- 12 \mathrm{~g} \mathrm{~K}_{2} \mathrm{CO}... | Chemistry | TestHub
- In the given unbalanced redox reaction:One... | Chemistry | TestHub
- The volume of ' 10 volume' of \mathrm{H}_{... | Chemistry | TestHub
- No. of moles of \mathrm{Cl}^{-} ion presen... | Chemistry | TestHub
- What volume of \mathrm{H}_{2} \mathrm{~S}... | Chemistry | TestHub
- Number of moles of \mathrm{KMnO}_{4} neede... | Chemistry | TestHub
- 58.5 g of NaCl is dissolved in 90 g of wat... | Chemistry | TestHub
- The molarity of one litre solution of 22.2... | Chemistry | TestHub
- Assertion : In the titration of \mathrm{Na... | Chemistry | TestHub
- In a titration, \mathrm{H}_{2} \mathrm{O}_... | Chemistry | TestHub
- In the reaction, \mathrm{H}_{3} \mathrm{PO... | Chemistry | TestHub
- Calculate mole percent of \mathrm{C}_{\mat... | Chemistry | TestHub
- A sample of \mathrm{MgSO}_{4} contains 8 \... | Chemistry | TestHub
- Match the following:Column IColumn II(A) 1... | Chemistry | TestHub
- x \mathrm{mmol} of \mathrm{KIO}_{3} reacts... | Chemistry | TestHub
- 0.8 gm of \mathrm{BeCl}_{2} added to water... | Chemistry | TestHub
- 25.4 gm of iodine and 14.2 gm of chlorine... | Chemistry | TestHub
- 10 \mathrm{~g} \mathrm{CaCO}_{3} is comple... | Chemistry | TestHub
- How many moles of magnesium phosphate will... | Chemistry | TestHub
- Correct statement(s) are | Chemistry | TestHub
- A sample of \mathrm{NaClO}_{3} is converte... | Chemistry | TestHub
- What volume of a liquid substance A contai... | Chemistry | TestHub
- Match the column-List - I(Concentration of... | Chemistry | TestHub
- 10 ml of x \mathrm{M} \mathrm{NaHC}_{2} \m... | Chemistry | TestHub
- What is the volume of a sample of 0.25 \ma... | Chemistry | TestHub
- When it is used as a reducing agent, the e... | Chemistry | TestHub
- 10 ml of x \mathrm{M} \mathrm{NaHC}_{2} \m... | Chemistry | TestHub
- 500 \mathrm{~mL}, 0.2 \mathrm{M} \mathrm{N... | Chemistry | TestHub
- A sample of 1.0 g of solid \mathrm{Fe}_{2}... | Chemistry | TestHub
- \mathrm{V}_{1} \mathrm{ml} of x_{1} \mathr... | Chemistry | TestHub
- What is the mass of oxygen that is require... | Chemistry | TestHub
- Sulfur trioxide is prepared by the followi... | Chemistry | TestHub
- Density of 3 M NaCl solution is 1.25 \math... | Chemistry | TestHub
- On complete combustion 0.30 g of an organi... | Chemistry | TestHub
- Potassium Chlorate is widely used as a sou... | Chemistry | TestHub
- One atom of an element ' X ' weighs 6.6667... | Chemistry | TestHub
- 2 mole of \mathrm{CO}_{2} is required to p... | Chemistry | TestHub
- A (25.0 mm × 40.0 mm) piece of gold foil i... | Chemistry | TestHub
- The treatment of \mathrm{CH}_{3} \mathrm{O... | Chemistry | TestHub
- To obtain maximum mass of \mathrm{NO}_{2}... | Chemistry | TestHub
- Hydrochloric acid solutions A and B have c... | Chemistry | TestHub
- X g of ethylamine is subject to reaction w... | Chemistry | TestHub
- 'a' g \mathrm{KHC}_{2} \mathrm{O}_{4} requ... | Chemistry | TestHub
- 100 mL of 0.06 \mathrm{M} \mathrm{Ca}_{\le... | Chemistry | TestHub
- Dissolving 120 g of urea (mol. wt. 60) in... | Chemistry | TestHub
- What does 10 volume \mathrm{H}_{2} \mathrm... | Chemistry | TestHub
- 2 Mole of \mathrm{CO}_{2} is required. Whi... | Chemistry | TestHub
- Consider the following graph, which is plo... | Chemistry | TestHub
- 28 \mathrm{NO}_{3}^{-}+3 \mathrm{As}_{2} \... | Chemistry | TestHub
- In which of the following reactions the '... | Chemistry | TestHub
- Volume of \mathrm{O}_{2} obtained at 2~atm... | Chemistry | TestHub
- Mass \% of \mathrm{MgCO}_{3} in original s... | Chemistry | TestHub
- 5 mol of Pb mixed with 10 L of 1.0 \mathrm... | Chemistry | TestHub
- Which of the following contains maximum nu... | Chemistry | TestHub
- Which of the following species can be oxid... | Chemistry | TestHub
- 10 g of mixture of BaO and CaO require 100... | Chemistry | TestHub
- Automotive air bags are inflated when a sa... | Chemistry | TestHub
- How many ml of aqueous solution of \mathrm... | Chemistry | TestHub
- % by mole of AgBr in dried precipate is : | Chemistry | TestHub
- A mixture of propane and benzene is burnt... | Chemistry | TestHub
- Match the following, and select the correc... | Chemistry | TestHub
- \mathrm{As}_{2} \mathrm{O}_{3} is oxidised... | Chemistry | TestHub
- How many moles of electron weigh one kilog... | Chemistry | TestHub
- The mass percent of Cu in original mixture... | Chemistry | TestHub
- How many electrons are present in 2 \times... | Chemistry | TestHub
- On subjecting 10 ml mixture of \mathrm{N}_... | Chemistry | TestHub
- 10 ml of a solution of \mathrm{H}_{2} \mat... | Chemistry | TestHub
- 0.85 g of oxygen is produced by heating KC... | Chemistry | TestHub
- If 0.6 mole of \mathrm{MgCl}_{2} is mixed... | Chemistry | TestHub
- Statement-1: The number of atoms in 1.0 \t... | Chemistry | TestHub
- Which of the following has smallest number... | Chemistry | TestHub
- Statement-1 : For the reaction 2~A+3~B\rig... | Chemistry | TestHub
Detection and Estimation of Elements(28)
- Kjeldahl's method was used for the estimat... | Chemistry | TestHub
- Which of the following is incorrect inform... | Chemistry | TestHub
- On combustion , the mole ratio of \mathrm{... | Chemistry | TestHub
- In Carius method for estimation of halogen... | Chemistry | TestHub
- In the sulphur estimation,of an organic co... | Chemistry | TestHub
- 76 gram of a silver salt of dibasic acid o... | Chemistry | TestHub
- 25 g of an unknown hydrocarbon upon burnin... | Chemistry | TestHub
- Which of the following is INCORRECT ? | Chemistry | TestHub
- 25 ml of a solution containing HCl and \ma... | Chemistry | TestHub
- The number of equivalents of \mathrm{Na}_{... | Chemistry | TestHub
- 25 g of an unknown hydrocarbon upon burnin... | Chemistry | TestHub
- The percentage of Fe in +3 oxidation state... | Chemistry | TestHub
- Statement-1: In the Kjeldahl method for ni... | Chemistry | TestHub
- All carbon atom present in \mathrm{KH}_{3}... | Chemistry | TestHub
- An organic compound contains \mathrm{C}, \... | Chemistry | TestHub
- 5 \times 10^{-5} moles of \mathrm{KMnO}_{4... | Chemistry | TestHub
- 32.2 gm of an organic compound containing... | Chemistry | TestHub
- Mass of C in sample is : | Chemistry | TestHub
- Out of below CORRECT matching is - | Chemistry | TestHub
- An aqueous solution of 6.3 gm oxalic acid... | Chemistry | TestHub
- Mass % of H in sample : | Chemistry | TestHub
- An aromatic compound contains 69.4 \% carb... | Chemistry | TestHub
- A bottle, which contains 200 ml of 0.1 M K... | Chemistry | TestHub
- Mass % of H in sample : | Chemistry | TestHub
- Red hot carbon will remove oxygen from the... | Chemistry | TestHub
- The percentage of copper in a copper (II)... | Chemistry | TestHub
- For a given mixture of \mathrm{NaHCO}_{3}... | Chemistry | TestHub
- A mixed solution of potassium hydroxide an... | Chemistry | TestHub
Empirical and Molecular Formula(24)
- When 6.0 gm of a hydrocarbon (M.M. =30 ) i... | Chemistry | TestHub
- Molecular formula of acid is | Chemistry | TestHub
- The empirical formula of an organic compou... | Chemistry | TestHub
- An element X forms two oxides whose formul... | Chemistry | TestHub
- Calculate the molecular formula of compoun... | Chemistry | TestHub
- What is the molecular formula of the two h... | Chemistry | TestHub
- Nicotine, a compound contains carbon, hydr... | Chemistry | TestHub
- On complete combustion of 0.492 g of an or... | Chemistry | TestHub
- Atom Y is found to be twelve times as heav... | Chemistry | TestHub
- Statement-1: When 2.0 \text{ g} of a hydro... | Chemistry | TestHub
- Empirical formula of a bromide of chromium... | Chemistry | TestHub
- To check the principle of multiple proport... | Chemistry | TestHub
- The percentage of Se in peroxidase enzyme... | Chemistry | TestHub
- List - IList - II(P) A gaseous organic com... | Chemistry | TestHub
- A compound contains 16 \% \mathrm{~S}, 4 \... | Chemistry | TestHub
- A gas is found to have the formula (\mathr... | Chemistry | TestHub
- A compound of X and Y has equal masses of... | Chemistry | TestHub
- The mineral (A) is \left[\mathrm{CuCl}_{2}... | Chemistry | TestHub
- 9.9 g of an amide \left(\mathrm{C}_{4} \ma... | Chemistry | TestHub
- 1 lt . of a hydrocarbon weighs as much as... | Chemistry | TestHub
- Sorbic acid \left(\mathrm{C}_{\mathrm{x}}... | Chemistry | TestHub
- The simplest formula of a compound contain... | Chemistry | TestHub
- 2.0 g of a bromo hydrocarbon (X) was subje... | Chemistry | TestHub
- A compound contains \frac{200}{3} \% \math... | Chemistry | TestHub
Expetimental Determination of Atomic Mass/Molecuair mass(29)
- Which of the following has the highest mas... | Chemistry | TestHub
- The density of air is 0.001293 \mathrm{~g}... | Chemistry | TestHub
- The degree of dissociation of A is 10 \% t... | Chemistry | TestHub
- A regular cube of metal measures exactly 1... | Chemistry | TestHub
- An oxide of a metal M has 60 \% metal by m... | Chemistry | TestHub
- The vapours of organic compound was burnt... | Chemistry | TestHub
- For calculation of molecular weight of a d... | Chemistry | TestHub
- To find molecular mass of base (acidity =... | Chemistry | TestHub
- A sample of protein was analysed for metal... | Chemistry | TestHub
- The molar mass of acid is - | Chemistry | TestHub
- Suppose the elements X and Y combine to fo... | Chemistry | TestHub
- 0.2 gm of metal oxide (MO) is treated with... | Chemistry | TestHub
- A regular cube of metal measures exactly 1... | Chemistry | TestHub
- When solid ' R ' is fused with KOH in the... | Chemistry | TestHub
- The weight [in g] of compound [S] formed i... | Chemistry | TestHub
- ' x ' gm of a compound \mathrm{A}_{3} \mat... | Chemistry | TestHub
- 1.5 mol of \mathrm{O}_{2} combine with Mg... | Chemistry | TestHub
- Molecular weight of \mathrm{S}= \_\_\_\_ | Chemistry | TestHub
- The sodium salt of methyl orange has 7 \%... | Chemistry | TestHub
- The specific heat capacity of a metal is 1... | Chemistry | TestHub
- The vapours of organic compound was burnt... | Chemistry | TestHub
- Suppose two elements X and Y combine to fo... | Chemistry | TestHub
- The degree of dissociation of A is 10 \% t... | Chemistry | TestHub
- Cortisone is a molecular substance contain... | Chemistry | TestHub
- Two element X and Y form compounds \mathrm... | Chemistry | TestHub
- Suppose two elements X and Y combine to fo... | Chemistry | TestHub
- An unknown trivalent metal reacts with oxy... | Chemistry | TestHub
- Consider the following set of reactionsIf... | Chemistry | TestHub
- For preparation of \mathrm{H}_{2} \mathrm{... | Chemistry | TestHub
Laws of Chemical Calculations(70)
- Assertion : Atoms can neither be created n... | Chemistry | TestHub
- What volume of hydrogen gas, at and , pres... | Chemistry | TestHub
- The ratio of masses of oxygen and nitrogen... | Chemistry | TestHub
- The formation of and illustrates the law of | Chemistry | TestHub
- A mixture offormic acid andoxalic acid is... | Chemistry | TestHub
- Amongst the following statements, that whi... | Chemistry | TestHub
- To check the principle of multiple proport... | Chemistry | TestHub
- A certain metal sulphide, , is used extens... | Chemistry | TestHub
- The moles of methane required to produceof... | Chemistry | TestHub
- A protein '' containsof glycine (molecular... | Chemistry | TestHub
- of nitrogen gas is mixed with excess of hy... | Chemistry | TestHub
- Dalton's Atomic theory could not explain w... | Chemistry | TestHub
- Statement-1 : During a chemical reaction,... | Chemistry | TestHub
- How many grams of \mathrm{CaCO}_{3} requir... | Chemistry | TestHub
- Volume of 0.1 \mathrm{M} \mathrm{K}_{2} \m... | Chemistry | TestHub
- A gaseous mixture of \mathrm{C}_{2} \mathr... | Chemistry | TestHub
- What is the mass of iodine required to rea... | Chemistry | TestHub
- 12.53 ml of 0.0509 \mathrm{M} \mathrm{SeO}... | Chemistry | TestHub
- Automotive air bags are inflated when a sa... | Chemistry | TestHub
- Calcium cyanamide (), also known as nitrol... | Chemistry | TestHub
- Calculate percentage volume of butene in o... | Chemistry | TestHub
- The number of moles of \mathrm{KMnO}_{4} t... | Chemistry | TestHub
- 28 \mathrm{g} \mathrm{N}_{2} and 6 \mathrm... | Chemistry | TestHub
- \mathrm{N}_{2}(\mathrm{~g}) reacts with \m... | Chemistry | TestHub
- If \mathrm{m}_{1} \mathrm{~g} of a metal A... | Chemistry | TestHub
- The vapour density of a volatile chloride... | Chemistry | TestHub
- KMnO₄ reacts with oxalic acid according to... | Chemistry | TestHub
- How much CO is produced if 1 mole of \math... | Chemistry | TestHub
- Equal weights of mercury and iodine are al... | Chemistry | TestHub
- 3 \mathrm{BaCl}_{2}+2 \mathrm{Na}_{3} \mat... | Chemistry | TestHub
- \mathrm{KClO}_{3} on heating decomposes in... | Chemistry | TestHub
- The equivalent weight of an element is 15... | Chemistry | TestHub
- 8.7 gm of pure \mathrm{MnO}_{2} is heated... | Chemistry | TestHub
- 100 g sample of dolomite (containing 19 \%... | Chemistry | TestHub
- A vessel fitted with a weightless, frictio... | Chemistry | TestHub
- The vapour density of a volatile chloride... | Chemistry | TestHub
- 2.76 g of silver carbonate on being strong... | Chemistry | TestHub
- Which three gases are remained after the c... | Chemistry | TestHub
- For the reaction, M^{x+}+\mathrm{MnO}_4^{-... | Chemistry | TestHub
- 80 ml mixture of \mathrm{NH}_{3} and \math... | Chemistry | TestHub
- For the given series of reactions: To obta... | Chemistry | TestHub
- When a solid element is reacted with chlor... | Chemistry | TestHub
- Match the column : | Chemistry | TestHub
- PH3(g) decomposes on heating to produce ph... | Chemistry | TestHub
- Calculate total volume (in ml) of initial... | Chemistry | TestHub
- The phosphorus pentaoxide used to produce... | Chemistry | TestHub
- Mole % of \mathrm{CO}_{2} in the resulting... | Chemistry | TestHub
- The mass of \mathrm{N}_{2} \mathrm{H}_{4}... | Chemistry | TestHub
- The anion nitrate can be converted into am... | Chemistry | TestHub
- 10 ml of nitrogen hydride were enclosed in... | Chemistry | TestHub
- Calculate contraction in volume (in ml) (a... | Chemistry | TestHub
- 100 ml mixture of CO and \mathrm{CO}_{2} m... | Chemistry | TestHub
- Statement-1: When 10 \text{ mL} of \text{H... | Chemistry | TestHub
- In one process for waterproofing, a fabric... | Chemistry | TestHub
- Which of the following illustrate the law... | Chemistry | TestHub
- The chief ore of Zn is the sulphide, ZnS.... | Chemistry | TestHub
- The maximum amount of \mathrm{BaSO}_{4} th... | Chemistry | TestHub
- Select the correct statement - | Chemistry | TestHub
- How many ml of aqueous solution of \mathrm... | Chemistry | TestHub
- The mass percent of \mathrm{CuBr}_{2} in o... | Chemistry | TestHub
- Gaseous benzene reacts with hydrogen gas i... | Chemistry | TestHub
- Which of the following does not illustrate... | Chemistry | TestHub
- Calculate the % of \mathrm{NH}_{3} in the... | Chemistry | TestHub
- Mass % of \mathrm{MgCO}_{3} in original sa... | Chemistry | TestHub
- The following statements are given for dif... | Chemistry | TestHub
- When a solid element is reacted with chlor... | Chemistry | TestHub
- Which of the following is not a postulate... | Chemistry | TestHub
- \mathrm{Br}_{2}(\mathrm{l}) reacts with \m... | Chemistry | TestHub
- When the equation is balanced, the coeffic... | Chemistry | TestHub
- What are the number of moles of product ga... | Chemistry | TestHub
Miscellaneous/Mixed(277)
- How many litres of ammonia gas at S.T.P. w... | Chemistry | TestHub
- If of a chlorine containing organic compou... | Chemistry | TestHub
- Which has the maximum molecules?NEET 2002 | Chemistry | TestHub
- Number of atoms in gram Fe (at.wt. of ) is | Chemistry | TestHub
- In a compound C, H and N atoms are present... | Chemistry | TestHub
- The weight of one molecule of a compound is | Chemistry | TestHub
- In Haber process 3 litres of dihydrgen and... | Chemistry | TestHub
- The maximum number of molecules is present... | Chemistry | TestHub
- of aluminium (at mass ) is deposited at ca... | Chemistry | TestHub
- The mass of carbon anode consumed (giving... | Chemistry | TestHub
- If we consider that , in place of ; mass o... | Chemistry | TestHub
- An organic compound having molecular mass... | Chemistry | TestHub
- How many moles of magnesium phosphate, wil... | Chemistry | TestHub
- An element, has the following isotopic com... | Chemistry | TestHub
- Concentrated of aqueous sulphuric acid is... | Chemistry | TestHub
- An organic compound contains carbon, hydro... | Chemistry | TestHub
- An organic compound contains carbon, hydro... | Chemistry | TestHub
- What volume of oxygen gas measured at and... | Chemistry | TestHub
- The number of hydrogen atoms present in of... | Chemistry | TestHub
- Number of moles of required to oxidise one... | Chemistry | TestHub
- What volume of oxygen gas measured at and... | Chemistry | TestHub
- How many moles of lead (II) chloride will... | Chemistry | TestHub
- One per cent composition of an organic com... | Chemistry | TestHub
- Given the numbers . The number of signific... | Chemistry | TestHub
- of hydrogen and 64 of oxygen were filled i... | Chemistry | TestHub
- A student performs a titration with differ... | Chemistry | TestHub
- The number of atoms in 0.1 mole of a triat... | Chemistry | TestHub
- The vapour density of ozone is | Chemistry | TestHub
- Stomach acid, a dilute solution of in wate... | Chemistry | TestHub
- Which has the maximum number of molecules... | Chemistry | TestHub
- The product of atomic weight and specific... | Chemistry | TestHub
- The ratio of number of oxygen atoms in ozo... | Chemistry | TestHub
- Number of atoms of He in 100 amu of He(ato... | Chemistry | TestHub
- Which has the maximum number of molecules... | Chemistry | TestHub
- A transition metal forms a volatile chlori... | Chemistry | TestHub
- Number of atoms in the following samples o... | Chemistry | TestHub
- Experimentally it was found that a metal o... | Chemistry | TestHub
- litres of an alkene require litres of oxyg... | Chemistry | TestHub
- A gaseous hydrocarbon on combustion gives... | Chemistry | TestHub
- A gaseous compound of nitrogen and hydroge... | Chemistry | TestHub
- The amount of oxygen inmoles of water is: | Chemistry | TestHub
- of silver carbonate on being strongly heat... | Chemistry | TestHub
- Whenlitres ofis mixed withlitres ofeach at... | Chemistry | TestHub
- of ferrous ammonium sulphate react complet... | Chemistry | TestHub
- The number of atoms in of is | Chemistry | TestHub
- of magnesium is burnt within a closed vess... | Chemistry | TestHub
- The number of water molecules is maximum i... | Chemistry | TestHub
- The amount of precipitated on mixing with... | Chemistry | TestHub
- How many significant figures are present i... | Chemistry | TestHub
- Assertion: One mole of contains molecules... | Chemistry | TestHub
- An organic compound having carbon, hydroge... | Chemistry | TestHub
- What is the mass of the precipitate formed... | Chemistry | TestHub
- 20.0 g of a magnesium carbonate sample dec... | Chemistry | TestHub
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