Chemical Process MCQs

Question 1

Adipic acid is an intermediate in the manufacture of

Accepted Answer

Nylon-66

Answer

Perspex

Answer

Polystyrene

Answer

Bakelite

Question 2

Proximate analysis of coal determines its __________ content.

Accepted Answer

Moisture & volatile matter

Answer

Moisture, ash, sulphur & volatile matter

Answer

Moisture, sulphur, nitrogen & fixed carbon

Answer

None of these

Question 3

Ultimate analysis of coal determines its __________ content.

Accepted Answer

Carbon, sulphur, volatile matter & ash

Answer

Carbon, hydrogen, nitrogen & sulphur

Answer

Carbon, ash, sulphur & nitrogen

Answer

Carbon, volatile matter, ash & moisture

Question 4

A substance produced by a living organism and capable of anti-microbial activity is called a/an

Accepted Answer

Antibiotic

Answer

Antiseptic

Answer

Disinfectant

Answer

None of these

Question 5

Producer gas consists mainly of

Accepted Answer

CO, CO2, N2, H2

Answer

CO, H2

Answer

H2, CH4

Answer

C2H2, CO2, H2

Question 6

Pick out the wrong statement.

Accepted Answer

Red color is imparted to glass by addition of arsenic oxide

Answer

Hard glass which is used for making laboratory glass wares is a mixture of sodium borosilicate and aluminium borosilicate

Answer

Glass is decolorised during its manufac-ture by adding antimony oxide, mangnese dioxide or arsenic oxide

Answer

Ordinary glass is represented chemically by Na2O.CaO.6SiO2

Question 7

Hydrogenation of oil/fat does not

Accepted Answer

None of these

Answer

Improve its resistance to rancid oxidation

Answer

Raise its melting point

Answer

Remove double bonds

Question 8

Builders are added in soap to act as

Accepted Answer

Cleaning power booster

Answer

Anti-redeposition agent

Answer

Corrosion inhibitor

Answer

Fabric brightener

Question 9

__________ is used as a catalyst in fat splitting.

Accepted Answer

ZnO

Answer

Ni

Answer

V2O5

Answer

FeO