The major constituent of black liquor generated during paper manufacture is sodium___________________?

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is obsolete.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: __________ is not a constituent of gun powder.
[A].

Carbon

[B].

Charcoal

[C].

Sulphur

[D].

Potassium nitrate

Answer: Option A

Explanation:

No answer description available for this question.

Question: Air used in aerobic fermentation must be sterilized, otherwise the
[A].

recovery of product will be difficult.

[B].

contamination of pure culture would result.

[C].

uniformity of product cannot be achieved.

[D].

none of these.

Answer: Option B

Explanation:

No answer description available for this question.