Chemistry - Complete Pblock- Question with Solution | TestHub

ChemistryComplete Pblock-p-Block 13,14Medium2 minPYQ_2022
ChemistryMediummatching list

Match List-I with Match List-II

 List-I
(Metal)
 List-II
(Application)
(A)Cs(I)High temperature thermometer
(B)Ga(II)Water repellent sprays
(C)B(III)Photoelectric cells
(D)Si(V)Bullet proof vest

Choose the most appropriate answer from the options given below

Options:

Answer:
A
Solution:

A-III,B-I,C-IV,D-II

Caesium is used in devising photoelectric cells. Boron fibres are used in making bullet-proof vest. Silicones being surrounded by non-polar alkyl groups are water repelling in nature. Gallium is less toxic and has a very high boiling point, so it is used in high temperature thermometers.

 Column I
(Element)
 Column II
(Uses)
iCsc Photoelectric cell
iiGaaHigh temperature thermometer
iiiBdBullet-proof vest
ivSibWater repellent sprays
Stream:JEESubject:ChemistryTopic:Complete Pblock-Subtopic:p-Block 13,14
2mℹ️ Source: PYQ_2022

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