TNPSC Group 4 Chemistry Study Material in English Tamil - 2

Question: 6

What does the colour of a star indicate?

(A) Light

(B) Temperature

(C) Density

(D) Gravity

Question: 7

______ was the inventor of radioactivity.

(A) Henery Bacqurel

(B) Rutherford

(C) Madam Curie

(D) Irine Curie

Question: 8

Quartz is composed of

(A) Sodium silicate

(B) Sodium sulphate

(C) Calcium silicate

(D) Calcium sulphate

Question: 9

Which among the following metal is used in the accumulator cell?

(A) Zinc

(B) Aluminium

(C) Copper

(D) Lead

Question: 10

The metal which is more reactive than hydrogen is

(A) Tin

(B) Silver

(C) Copper

(D) Mercury