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Question: Bromine is used in the preparation of
[A].

fire extinguishing compounds.

[B].

fire proofing agents.

[C].

dyes and antiknock compounds.

[D].

all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

Question: Bromine content in sea water may be around __________ ppm.
[A].

70

[B].

640

[C].

1875

[D].

2500

Answer: Option A

Explanation:

No answer description available for this question.

Question: Bitterns is a/an
[A].

unsaturated fat.

[B].

starting material for the production of iodine.

[C].

by-product of chlor-alkali industry.

[D].

none of these.

Answer: Option D

Explanation:

No answer description available for this question.

Question: In the Solvay process, the product from the calciner is
[A].

light soda ash

[B].

dense soda ash

[C].

sodium bicarbonate

[D].

dehydrated soda ash

Answer: Option A

Explanation:

No answer description available for this question.

Question: Dense soda ash used in the manufacture of glass, is chemically represented by
[A].

Na2CO3

[B].

Na2CO3.10H2O

[C].

Na2CO3.H2O

[D].

Na2HCO3

Answer: Option C

Explanation:

No answer description available for this question.

Question: Mannheim furnace is used in the manufacture of
[A].

hydrochloric acid.

[B].

H2SO4 by Chamber process.

[C].

calcium carbide.

[D].

corundum.

Answer: Option A

Explanation:

No answer description available for this question.

Question: Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it
[A].

has larger production capacity per unit cell.

[B].

consumes less power per ton of Cl2 produced.

[C].

produces high purity (70%) caustic soda directly.

[D].

all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

Question: In the manufacture of H2SO4, vanadium catalyst as compared to platinum catalyst
[A].

gives higher conversion efficiency.

[B].

has a longer life and is not poisoned by arsenic.

[C].

handles lower SO2 content gas (7 -10% SO2), thus increasing the capital cost of the plant.

[D].

all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.