TNPSC Group 4 Study Material in Tamil and English - 2

Question: 6

The neutron was discovered by

(A) Aston

(B) Becquerel

(C) Chadwick

(D) Madam Curie

Question: 7

The science of Dactylography is commonly known as

(A) Carbon dating

(B) Finger printing

(C) Water printing

(D) Electro cardiogram

Question: 8

The gas used to extinguish fire is

(A) Neon

(B) Nitrogen

(C) Carbon dioxide

(D) Carbon monoxide

Question: 9

Which of the following catalyst is sensitive to temperature changes?

(A) Enzyme

(B) Ni

(C) Pt

(D) Fe

Question: 10

Colligative properties of the solution depends upon

(A) Number of solution

(B) Nature of solvent

(C) Number of moles of solvent

(D) Number of solute particles