______________ process is used for the manufacture of sodium carbonate by ammonia soda process?

Question: Fusion of bauxite and __________ produces high alumina cement.
[A].

alum

[B].

limestone

[C].

coke

[D].

quartz

Answer: Option B

Explanation:

No answer description available for this question.

Question: The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is
[A].

dilute H2SO4

[B].

oleum

[C].

ultraviolet light

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

Question: H2S is scrubbed from refinery gases by absorption using
[A].

dilute H2SO4

[B].

ethanol amine

[C].

chilled water

[D].

tri-butyl phosphate

Answer: Option B

Explanation:

No answer description available for this question.