CHEMICAL ENGINEERING

Question: All enzymes are made of
[A].

fats

[B].

carbohydrates

[C].

proteins

[D].

amino acids

Answer: Option C

Explanation:

No answer description available for this question.

Question: Fermentation is adversely affected by the
[A].

presence of air.

[B].

absence of air.

[C].

high concentration.

[D].

presence of ammonium salts.

Answer: Option C

Explanation:

No answer description available for this question.

Question: Which of the following, when pyrolysed, produces perchloro-ethylene ?
[A].

Ethylene dichloride

[B].

Chlorobenzene

[C].

Carbon tetrachloride

[D].

Chlorinated paraffin

Answer: Option C

Explanation:

No answer description available for this question.

Question: Cellulose percentage in bamboo fibre is about
[A].

10

[B].

20

[C].

50

[D].

85

Answer: Option C

Explanation:

No answer description available for this question.

Question: Main constituents of cotton fiber is
[A].

lignin

[B].

cellulose

[C].

starch

[D].

gelatine

Answer: Option B

Explanation:

No answer description available for this question.

Question: Chrome tanning and vegetable tanning are done for
[A].

light & heavy leather respectively.

[B].

heavy & light leather respectively.

[C].

both light & heavy leather.

[D].

neither light nor heavy leather.

Answer: Option A

Explanation:

No answer description available for this question.

Question: Ethanol amine is produced using ammonia and
[A].

ethyl benzene

[B].

ethylene oxide

[C].

ethanol

[D].

ethane

Answer: Option B

Explanation:

No answer description available for this question.

Question: Naphthols are derivates of
[A].

methyl amine

[B].

naphthalene

[C].

phenol

[D].

xylene

Answer: Option B

Explanation:

No answer description available for this question.

Question: Insulin is an __________ drug.
[A].

anti-malarial

[B].

anti-TB

[C].

antibiotic

[D].

none of these

Answer: Option D

Explanation:

No answer description available for this question.

Question: Acetone is produced by catalytic dehydrogenation of
[A].

phenol

[B].

naphthalene

[C].

isopropanol

[D].

ethyl benzene

Answer: Option C

Explanation:

No answer description available for this question.