TNPSC Group 1, 2 Mains Chemistry Study Material in Tamil English - 1

Question: 1

The scientist associated with the discovery of the nucleus was

(A) Niels Bohr

(B) Moseley

(C) J.J. Thomson

(D) Rutherford

Question: 2

Which one of the following substance does not have a melting point?

(A) Mercury

(B) Glass

(C) Bromine

(D) Sodium chloride

Question: 3

Which is the main atmospheric gas responsible for Greenhouse Effect?

(A) Methane

(B) Carbon dioxide

(C) Carbon monoxide

(D) Nitrogen

Question: 4

Cheese is an example of

(A) gel

(B) sol

(C) foam

(D) emulsion

Question: 5

Which one among the following will you put into pure water in order to pass electric current through it?

(A) Sugar

(B) Lemon juice

(C) Mustard oil

(D) Kerosene