Chemical Process

Question: The catalyst used in the production of elemental sulphur from H2S (by oxidation-reduction) is
[A].

alumina

[B].

silica gel

[C].

platinum

[D].

nickel

Answer: Option A

Explanation:

No answer description available for this question.

Question: Main product in calcium carbide-water reaction is
[A].

Ca(OH)2

[B].

C2H2

[C].

CO2

[D].

CaCO3

Answer: Option B

Explanation:

No answer description available for this question.

Question: Oleum produces fumes of
[A].

SO2

[B].

H2SO4

[C].

SO3

[D].

SO2 + H2SO4

Answer: Option C

Explanation:

No answer description available for this question.

Question: Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water.
[A].

SO3

[B].

Cl2

[C].

NH3

[D].

SO2

Answer: Option B

Explanation:

No answer description available for this question.

Question: Adipic acid is an intermediate in the manufacture of
[A].

perspex

[B].

nylon-66

[C].

polystyrene

[D].

bakelite

Answer: Option B

Explanation:

No answer description available for this question.

Question: Molecular weight of plastics ranges from
[A].

5000 to 10000

[B].

20000 to 250000

[C].

500 to 5000

[D].

106 to l09

Answer: Option B

Explanation:

No answer description available for this question.

Question: Main constituents of natural rubber is
[A].

polystyrene

[B].

polyisoprene

[C].

polybutadiene

[D].

polychloroprene

Answer: Option B

Explanation:

No answer description available for this question.

Question: Blue vitriol is chemically
[A].

copper sulphate

[B].

ferrous sulphate

[C].

copper nitrate

[D].

aluminium sulphate

Answer: Option A

Explanation:

No answer description available for this question.

Question: Chemical name of aspirin (an analgesic drug) is
[A].

acetylsalicylic acid

[B].

nictonic acid

[C].

calcium acetate

[D].

methyl salicylate

Answer: Option A

Explanation:

No answer description available for this question.

Question: Alkylbenzene sulfonate (ABS) is a
[A].

detergent

[B].

rubber

[C].

pesticide

[D].

polyester

Answer: Option A

Explanation:

No answer description available for this question.