Drinking (potable) water treatment does not involve __________________?

Question: The biochemical treatment applied to sewage effluents is a process of
[A].

dehydration

[B].

reduction

[C].

oxidation

[D].

polymerisation

Answer: Option C

Explanation:

No answer description available for this question.

Question: CO & H2 are the constituents of
[A].

producer gas

[B].

water gas

[C].

coke oven gas

[D].

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

Answer: Option D

Explanation:

No answer description available for this question.