TNPSC Chemistry MCQ Questions and Answers - 1

Question: 1

Which one of the following is not a constituent in automobile emission?

(A) Benzene

(B) Nitrogen oxide

(C) Carbon monoxide

(D) Hydrogen peroxide

Question: 2

The most abundant metal in the earth’s crust is

(A) Aluminium

(B) Zinc

(C) Copper

(D) Iron

Question: 3

Which among the following is used as a catalyst in the production of high octane fuels?

(A) HCL

(B) HF

(C) HNO₃

(D) H₂SO₄

Question: 4

The metal used in storage batteries is

(A) Lead

(B) Tin

(C) Copper

(D) Iron

Question: 5

Minerals are deposited and accumulated in

(A) Igneous rocks

(B) Metamorphic rocks

(C) Sedimentary rocks

(D) None of the above