Chemical Process MCQs

Question 1

Yellow phosphorus is transported under

Accepted Answer

Water

Answer

Air

Answer

Nitrogen

Answer

Helium

Question 2

SO2 is bubbled through hot sugar cane juice to

Accepted Answer

Act as an acidifying agent

Answer

Increase its concentration

Answer

Increase the amount of molasses

Answer

Increase the crystal size

Question 3

Hydrazine is largely used

Accepted Answer

As rocket fuel

Answer

As a starting material for 'hypo'

Answer

In photographic industry

Answer

In printing industry

Question 4

Hydrogenation of oil does not

Accepted Answer

None of these

Answer

Remove double bonds

Answer

Raise its melting point

Answer

Improve its resistance to oxidation

Question 5

Hydrolysis of sugar is called

Accepted Answer

Inversion

Answer

Hydration

Answer

Esterification

Answer

None of these

Question 6

Ethyl alcohol cannot be produced

Accepted Answer

None of these

Answer

From waste sulphite substrate of paper mills

Answer

By esterification and hydroloysis of ethylene

Answer

From molasses

Question 7

Pencillin, an antibiotic drug was discovered by

Accepted Answer

Alexender

Answer

Flaming

Answer

Dr. Zivago

Answer

None of these

Question 8

Chemical formula of 'salt cake' is

Accepted Answer

Na2SO4

Answer

CaSO4

Answer

MgSO4

Answer

BaSO4

Question 9

Detergent is produced by the sulphonation of dodecyl benzene, which is an __________ reaction.

Accepted Answer

Both B and C

Answer

Endothermic

Answer

Exothermic

Answer

Irreversible