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Question: Hydrogenation of oil/fat does not
[A].

improve its resistance to rancid oxidation.

[B].

raise its melting point.

[C].

remove double bonds.

[D].

none of these.

Answer: Option D

Explanation:

No answer description available for this question.

Question: Carboxymethyl cellulose (CMC) is added in detergents to act as a/an
[A].

surfactant

[B].

builder

[C].

optical brightening agent

[D].

anti soil redeposition agent

Answer: Option D

Explanation:

No answer description available for this question.

Question: __________ are added in lacquers to remove film brittleness and to improve adhereness.
[A].

Film forming materials

[B].

Plasticisers

[C].

Diluents

[D].

Solvents

Answer: Option B

Explanation:

No answer description available for this question.

Question: Calcination of limestone is not done in a __________ kiln for producing lime.
[A].

vertical shaft

[B].

rotary

[C].

fluidised bed

[D].

fixed bed

Answer: Option D

Explanation:

No answer description available for this question.

Question: Liquefaction of gases can not be done by
[A].

exchange of heat with colder stream.

[B].

adiabatic expansion through a throttle valve (Joule-Thomson expansion).

[C].

merely compressing it beyond critical pressure.

[D].

adiabatic expansion against a piston or in a turbine.

Answer: Option C

Explanation:

No answer description available for this question.

Question: Average sulphur content in Indian pyrites is about __________ percent.
[A].

15

[B].

35

[C].

55

[D].

70

Answer: Option B

Explanation:

No answer description available for this question.

Question: Fish contains about __________ percent oil.
[A].

5

[B].

10

[C].

20

[D].

35

Answer: Option C

Explanation:

No answer description available for this question.

Question: Finely ground calcium aluminate & silicate is a/an
[A].

cermet

[B].

cement

[C].

abrasive

[D].

explosive

Answer: Option B

Explanation:

No answer description available for this question.

Question: __________ acid is the main constituent of cotton seed oil.
[A].

Acetic

[B].

Linoleic

[C].

Palmitic

[D].

Oleic

Answer: Option B

Explanation:

No answer description available for this question.

Question: Chemical formula of ‘salt cake’ is
[A].

Na2SO4

[B].

CaSO4

[C].

MgSO4

[D].

BaSO4

Answer: Option A

Explanation:

No answer description available for this question.