CHEMICAL ENGINEERING | Chemical Process

The catalyst used in the production of elemental sulphur from H2S (by oxidation-reduction) is

Byadmin August 10, 2022

Question: The catalyst used in the production of elemental sulphur from H2S (by oxidation-reduction) is
[A].

alumina

[B].

silica gel

[C].

platinum

[D].

nickel

Answer: Option A

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Heat Transfer

For an ideal black body

Question: For an ideal black body
[A].

absorptivity = 1
[B].
reflectivity = 1
[C].
emissivity = 0
[D].
transmissivity = 1

Answer: Option A

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING | Chemical Process

Hydrolysis of sugar is called

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.

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CHEMICAL ENGINEERING | Chemical Process

Alcohol is produced by the

Question: Alcohol is produced by the
[A].

oxidation of an aldehyde
[B].
hydrolysis of an ether
[C].
esterification of a fat
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING | Mass Transfer

With increase in temperature, the leaching rate increases because of the

Question: With increase in temperature, the leaching rate increases because of the
[A].

increased diffusivity.
[B].
decreased viscosity of liquid.
[C].
both (a) and (b).
[D].
neither (a) nor (b).

Answer: Option C

Explanation:

No answer description available for this question.

Read More With increase in temperature, the leaching rate increases because of the
CHEMICAL ENGINEERING | Fuels and Combustion

Out of the following fuels, the difference between gross and net calorific value will be minimum in case of

Question: Out of the following fuels, the difference between gross and net calorific value will be minimum in case of
[A].

coke oven gas
[B].
water gas
[C].
natural gas
[D].
blast furnace gas

Answer: Option D

Explanation:

No answer description available for this question.

Read More Out of the following fuels, the difference between gross and net calorific value will be minimum in case of
CHEMICAL ENGINEERING | Environmental Engineering

CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing __________ molecules of ozones.

Question: CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing __________ molecules of ozones.
[A].

102
[B].
105
[C].
109
[D].
1015

Answer: Option B

Explanation:

No answer description available for this question.

Read More CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing __________ molecules of ozones.

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