Calcination of limestone is not done in a ______________ kiln for producing lime ?

Question: Favourable conditions for the liquefaction of gases in general are
[A].

high pressure & low temperature.

[B].

low pressure & high temperature.

[C].

high pressure & high temperature.

[D].

low pressure & low temperature.

Answer: Option A

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.

Question: Fluorescent dyes are added in detergents to
[A].

act as fabric brightener (by converting ultraviolet light to visible light) thereby improving the whiteness appearance of white fabrics.

[B].

attain distinctiveness from other brands.

[C].

act as tarnish inhibitor for metals like German silver.

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.