1000+ TNPSC Group 1 Previous Year Question Paper Pdf - 1

Question: 1

The acid used in lead storage battery is

(A) Oxalic acid

(B) HNO₃

(C) HCL

(D) H₂SO₄

Question: 2

Rate of diffusion of a gas is

(A) inversely proportional to the square of its molecular molecular mass

(B) directly proportional to the square of its molecular mass

(C) directly proportional to its molecular mass

(D) directly proportional to its density

Question: 3

Which of the following is moderate conductor of electricity?

(A) Silica

(B) Graphite

(C) Diamond

(D) Carborundum

Question: 4

Which element of the following does not exist in liquid state at room temperature?

(A) Ga

(B) Hg

(C) Br

(D) Na

Question: 5

At constant temperature, the product of pressure and volume of a given amount of a gas is constant. This is

(A) Pressure law

(B) Boyle’s law

(C) Charles law

(D) Gay-Lussac law