TNPSC Chemistry Objective Questions and Answers - 2

Question: 6

What is the main component of Gober gas?

(A) Methane

(B) Hydrogen

(C) Chlorine

(D) Ethylene

Question: 7

Galvanised Iron sheets have a coating of

(A) Calamine

(B) Cinnabar

(C) Corundum

(D) Cerrusite

Question: 8

Which one of the following is used in welding industry?

(A) Acetylene

(B) Ethane

(C) Methane

(D) Benzene

Question: 9

The major ingredient of leather is

(A) Collagen

(B) Nucleic acid

(C) Polymer

(D) Carbohydrate

Question: 10

Identify the metal which is non toxic in nature

(A) Cobalt

(B) Cadmium

(C) Chromium

(D) Gold