______________ is produced by the dehydrogenation of ethyl benzene ?

Question: Enzymes are organic catalysts used in the __________ reactions.
[A].

chemical

[B].

biochemical

[C].

photochemical

[D].

electrochemical

Answer: Option B

Explanation:

No answer description available for this question.

Question: Caprolactum (a raw material for nylon-6 manufacture) is produced from
[A].

phenol

[B].

naphthalene

[C].

benzene

[D].

pyridine

Answer: Option C

Explanation:

No answer description available for this question.

Question: Glycerine is recovered from lye by
[A].

evaporation followed by vacuum distillation.

[B].

liquid extraction technique.

[C].

extractive distillation technique.

[D].

none of these.

Answer: Option A

Explanation:

No answer description available for this question.