Carbon content of pitch (residue of coal tar distillation) is around ________________ percent?

Question: Fatty material used in soap making is
[A].

fatty acid

[B].

fatty alcohols

[C].

tallow

[D].

detergents

Answer: Option C

Explanation:

No answer description available for this question.

Question: Double Contact Double Absorption (DCDA) process is the most recent process for the manufacture of
[A].

nitric acid

[B].

sulphuric acid

[C].

ammonium sulphate

[D].

hydrochloric acid

Answer: Option B

Explanation:

No answer description available for this question.

Question: Brackish water which contains mostly dissolved salt, can be purified by the __________ process.
[A].

reverse osmosis

[B].

sand filter

[C].

lime soda

[D].

permutit

Answer: Option A

Explanation:

No answer description available for this question.