Which of the following is an yellow pigment ?

Question: More than 100 percent of __________ is present in oleum.
[A].

SO3

[B].

H2SO4

[C].

H2SO3

[D].

SO2

Answer: Option B

Explanation:

No answer description available for this question.

Question: Fusel oil is a/an
[A].

essential oil.

[B].

extract from medicinal herbs.

[C].

mixture of higher molecular weight alcohols (a by-product obtained during production of alcohol from molasses).

[D].

none of these.

Answer: Option C

Explanation:

No answer description available for this question.

Question: Hydrolysis of sugar is called
[A].

hydration

[B].

inversion

[C].

esterification

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

Question: Cumene is the starting material for the production of
[A].

benzoic acid

[B].

phenol and acetone

[C].

isoprene

[D].

styrene

Answer: Option B

Explanation:

No answer description available for this question.

Question: In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the
[A].

diamine and the ring.

[B].

dibasic acid and the ring.

[C].

diamine and the dibasic acid.

[D].

none of these.

Answer: Option C

Explanation:

No answer description available for this question.

Question: Direct conversion of chemical energy into electrical energy is done in a
[A].

magnetohydrodynamic (MHD) generator.

[B].

fuel cell.

[C].

fast breeder reactor.

[D].

none of these.

Answer: Option B

Explanation:

No answer description available for this question.