______________ is obtained as a by-product in the manufacture of sodium hydroxide using brine ?

Question: White phosphorous is stored under water, because
[A].

it does not react with water.

[B].

it is poisonous.

[C].

its kindling temperature in dry air is very low.

[D].

it is unstable.

Answer: Option C

Explanation:

No answer description available for this question.

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

sand

[B].

bauxite

[C].

quicklime

[D].

calcite

Answer: Option B

Explanation:

No answer description available for this question.

Question: Yeast is used in the manufacture of
[A].

pencillin

[B].

antibiotics

[C].

wine

[D].

pasteurised milk

Answer: Option C

Explanation:

No answer description available for this question.