Coal tar is used as a___________________?

Question: Contact process of sulphuric acid manufacture
[A].

yields acid of higher concentration than chamber process.

[B].

yields acids of lower concentration than chamber process.

[C].

is obsolete.

[D].

eliminates absorber.

Answer: Option A

Explanation:

No answer description available for this question.

Question: White phosphorous is stored under water, because
[A].

it does not react with water.

[B].

it is poisonous.

[C].

its kindling temperature in dry air is very low.

[D].

it is unstable.

Answer: Option C

Explanation:

No answer description available for this question.

Question: Good quality of edible salt is obtained from brine by the process of
[A].

solar evaporation

[B].

vacuum evaporation

[C].

freeze drying

[D].

electrolysis

Answer: Option B

Explanation:

No answer description available for this question.

Question: Diaphragm electrolytic cell as compared to mercury electrolytic cell
[A].

produces 70% NaOH solution.

[B].

requires less specific power consumption for the production of chlorine.

[C].

requires lesser investment for similar capacity.

[D].

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

Answer: Option C

Explanation:

No answer description available for this question.