Chemical Process MCQs

Question 1

Chemical name of 'alum' is

Accepted Answer

Aluminium sulphate

Answer

Barium sulphate

Answer

Aluminium chloride

Answer

Calcium sulphate

Question 2

Chemical name of soda ash is

Accepted Answer

None of these

Answer

Sodium bicarbonate

Answer

Sodium thiosulphate

Answer

Potassium carbonate

Question 3

Main product in calcium carbide-water reaction is

Accepted Answer

C2H2

Answer

Ca(OH)2

Answer

CO2

Answer

CaCO3

Question 4

CaCl(OCl) is the chemical formula of

Accepted Answer

Bleaching powder

Answer

Hypo

Answer

Plaster of paris

Answer

Aqua regia

Question 5

Carboxymethyl cellulose (CMC) is added in detergents to

Accepted Answer

Prevent redeposition of soil on cleaned surface

Answer

Act as optical brightening agent

Answer

Inhibit corrosion in washing machines made of aluminium

Answer

None of these

Question 6

Which of the following is used as a coagulant in water treatment?

Accepted Answer

Ferrous sulphate

Answer

Chloramine

Answer

Chlorine

Answer

Hydrogen peroxide

Question 7

Coal tar is used as a

Accepted Answer

All of the above

Answer

Binding material for coal briquettes

Answer

Fuel in rotary kiln

Answer

Binder in making carbon electrodes

Question 8

The process involved in converting rubber into a thin sheet or coating it on fabric is called

Accepted Answer

Calendering

Answer

Extrusion

Answer

Mastication

Answer

Valcanisation

Question 9

Raw material used in alcohol distilleries in India is

Accepted Answer

Molasses

Answer

Benzol

Answer

Methylated spirit

Answer

None of these