Chemical Process MCQs

Question 1

Main constituents of natural rubber is

Accepted Answer

Polyisoprene

Answer

Polystyrene

Answer

Polybutadiene

Answer

Polychloroprene

Question 2

The type of high refractive index glass used in optical instruments is __________ glass.

Accepted Answer

Flint

Answer

Pyrex

Answer

Crookes

Answer

None of these

Question 3

Sucrose is a

Accepted Answer

Disacchride

Answer

Monosacchride

Answer

Polysacchride

Answer

None of these

Question 4

Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers from the drawback like

Accepted Answer

All of the above

Answer

High cost

Answer

Fragile nature

Answer

Easy poisoning tendency

Question 5

Synthesis gas is a mixture of

Accepted Answer

CO and H2

Answer

N2 and H2

Answer

H2, CH4 and CO

Answer

CO2 and H2

Question 6

Systemic insecticides

Accepted Answer

Are absorbed throughout the plant

Answer

Kill insects following external bodily contact

Answer

Are stomach poisons

Answer

Emit poisonous vapour

Question 7

__________ is not a constituent of gun powder.

Accepted Answer

Carbon

Answer

Charcoal

Answer

Sulphur

Answer

Potassium nitrate

Question 8

Air used in aerobic fermentation must be sterilized, otherwise the

Accepted Answer

Contamination of pure culture would result

Answer

Recovery of product will be difficult

Answer

Uniformity of product cannot be achieved

Answer

None of these

Question 9

Raw materials used for producing __________ cement does not contain iron oxide.

Accepted Answer

White

Answer

Waterproof

Answer

Slag

Answer

Pozzolan