TNPSC Chemistry Model Question Paper in Tamil and English - 2

Question: 6

Which one among the following is not responsible for green house effect?

(A) Nitrogen

(B) Carbon dioxide

(C) Water

(D) Chlorofluorocarbons

Question: 7

Which one among the following is responsible for the expansion of water in the ocean?

(A) Sulphur dioxide

(B) Carbon monoxide

(C) Carbon dioxide

(D) Nitrogen dioxide

Question: 8

Which one among the following is the major constituent of soda lime glass?

(A) Silica

(B) Sodium oxide

(C) Calcium carbonate

(D) Calcium oxide

Question: 9

The element required for solar energy conversion is

(A) Silicon

(B) Tantalum

(C) Ultra pure carbon

(D) Beryllium

Question: 10

____ element atom has the smallest nucleus.

(A) Nitrogen

(B) Oxygen

(C) Hydrogen

(D) Helium