1000+ Chemical Process Industries Interview Questions and Answers - 1

Question: 1

Which of the following is an ore of iron?

(A) bauxite

(B) hematite

(C) chalcopyrite

(D) galena

Question: 2

Which of the following is not a raw material used for the manufacture of ordinary glass?

(A) silica

(B) iron oxide

(C) soda ash

(D) limestone

Question: 3

Which glass is usually used in optical work?

(A) lead glass

(B) fibre glass

(C) high silica (borosilicate) glass

(D) photo sensitive glass

Question: 4

Sulphur removal by heating of pyrite ore in presence of air is called its

(A) smelting

(B) calcinations

(C) roasting

(D) reduction

Question: 5

Lime and soda ash are added to water to remove

(A) its corrosiveness

(B) bacteria

(C) undesirable taste and odour

(D) bicarbonates and sulphates of calcium and magnesium