Match List I with List II and select the correct answer using the codes given below the lists :-

List – I
List – II
(P) Heavy water
1. Bicarbonates of Mg and Ca in water
(Q) Temporary hard
2. No foreign ions in water
(R) Soft water
3. D₂O
(S) Permanent hard
4. Sulphates and chlorides of Mg and Ca in water
Code :

Question

Match List I with List II and select the correct answer using the codes given below the lists :-

List – I	List – II
(P) Heavy water	1. Bicarbonates of Mg and Ca in water
(Q) Temporary hard	2. No foreign ions in water
(R) Soft water	3. D₂O
(S) Permanent hard	4. Sulphates and chlorides of Mg and Ca in water

Code :

TestHub · Accepted Answer

Question Explanation: Match water properties with their causes.

Concept: Water hardness and heavy water.

Solution: Heavy water $\Rightarrow D_{2} O$

Temporary hardness is due to bicarbonates of Mg and Ca in water.

Soft water is one which have no foreign ions in water

Permanent hardness is due to sulphates and chlorides of Mg and Ca in water.

Final Answer: The correct option is (A)

Chemistry - Hydrogen and Its compound Question with Solution | TestHub