set 2 MCQ Questions & Answers Detailed Explanation

Question : 1

Which of the following is not a natural polymer?

a) Starch

b) Cotton

c) Ghee

d) Protein

Question : 2

Which one of the following is not an explosive?

a) Trinitrotoluene (TNT)

b) Cyclotrimethylene Trinitramine (RDX)

c) Nitrochloroform

d) Trinitroglycerine

Question : 3

Which one of the following substances is used in glazing the pottery?

a) Calomel

b) Zinc oxide

c) Alum

d) Zinc chloride

Question : 4

Which of the following gas mixture is used in welding gas?

a) Hydrogen and Oxygen

b) Acetylene and Hydrogen

c) Oxygen and Acetylene

d) Hydrogen and Helium

Question : 5

Consider the following statements about acetylene.

1. It is used in welding industry.
2. It is a raw material for preparing plastics.
3. It is easily obtained by mixing silicon carbide and water.

a) 2 and 3 are correct

b) 1 and 2 are correct

c) 1 and 3 are correct

d) 1, 2 and 3 are correct

Question : 6

Which one of the following was used as a chemical weapon in the First World War?

a) Mustard gas

b) Carbon monoxide

c) Hydrogen cyanide

d) Water gas