Chemical Process MCQs

Question 1

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

Accepted Answer

Iron oxide

Answer

Soda ash

Answer

Limestone

Answer

Silica

Question 2

Margarine is a/an

Accepted Answer

Fat

Answer

Explosive

Answer

Plasticiser

Answer

Rocket propellant

Question 3

Massecuite is

Accepted Answer

None of these

Answer

Used for paper making

Answer

Used as a cattle feed

Answer

Highly acidic in nature

Question 4

Cumene is the starting material for the production of

Accepted Answer

Phenol and acetone

Answer

Benzoic acid

Answer

Isoprene

Answer

Styrene

Question 5

Molasses is the starting material for the production of

Accepted Answer

Alcohol

Answer

Essential oil

Answer

Fatty acids

Answer

Massecuite

Question 6

Flexible foam (for mattresses) is usually made of

Accepted Answer

Polyurethanes

Answer

PVC

Answer

Silicone

Answer

Polyamides

Question 7

Main constituents of portland cement are calcium aluminate and

Accepted Answer

Silicates

Answer

Gypsum

Answer

Sodium silicate

Answer

Carbonates

Question 8

A mineral is termed as 'ore', if

Accepted Answer

A metal can be economically extracted from it

Answer

It contains ≥ 40% metal

Answer

The metal present in it is costly

Answer

All of the above

Question 9

Pick out the wrong statement.

Accepted Answer

High early strength cement are made from materials having high silica to lime ratio

Answer

The function of gypsum in cement is to enhance its initial setting rate

Answer

Acid resistant cements are known as silicate cement

Answer

Major component of greyish portland cement is tricalcium silicate