Chemical Process

Question: Industrial production of chloroform requires acetone and
[A].

phosgene

[B].

calcium hypochlorite

[C].

chlorine

[D].

ammonium chloride

Answer: Option B

Explanation:

No answer description available for this question.

Question: Chemical name of ‘alum’ is
[A].

barium sulphate.

[B].

aluminium sulphate.

[C].

aluminium chloride.

[D].

calcium sulphate.

Answer: Option B

Explanation:

No answer description available for this question.

Question: Which of the following sugars is the sweetest?
[A].

Glucose

[B].

Fructose

[C].

Sucrose

[D].

Lactose

Answer: Option B

Explanation:

No answer description available for this question.

Question: Hydrolysis of sugar is called
[A].

hydration

[B].

inversion

[C].

esterification

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

Question: Yellow phosphorus is transported under
[A].

air

[B].

water

[C].

nitrogen

[D].

helium

Answer: Option B

Explanation:

No answer description available for this question.

Question: Conversion of CO to CO2 by steam in presence of a catalyst is called
[A].

steam reforming.

[B].

shift conversion.

[C].

steam gasification.

[D].

none of these.

Answer: Option B

Explanation:

No answer description available for this question.

Question: ‘Hollander beater’ machine used in the paper manufacturing plant does not accomplish the task of
[A].

final rolling out of paper.

[B].

cutting of fibres.

[C].

hydration of fibres.

[D].

fibrillation of fibre.

Answer: Option A

Explanation:

No answer description available for this question.

Question: Main use of liquid nitrogen is in
[A].

rocket propulsion.

[B].

making gun powder.

[C].

detergent manufacture.

[D].

refrigerative cooling.

Answer: Option D

Explanation:

No answer description available for this question.

Question: Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C.
[A].

-83

[B].

-183

[C].

-196

[D].

-218

Answer: Option B

Explanation:

No answer description available for this question.

Question: Hydrogen gas is not produced commercially (for nitrogeneous fertiliser manufacture) by
[A].

iron-steam reaction.

[B].

electrolysis of water.

[C].

steam reforming of naphtha.

[D].

its cryogenic separation from coke oven gas.

Answer: Option A

Explanation:

No answer description available for this question.