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Consider the production of ammonia from methene and air as raw materials. The catalyst used are: (i) __________ for steam reforming of methane and (ii) __________ for ammonia synthesis.

CHEMICAL ENGINEERING, Chemical Process /
Question: Consider the production of ammonia from methene and air as raw materials. The catalyst used are: (i) __________ for steam reforming of methane and (ii) __________ for ammonia synthesis.
[A].

i – Ni/Al2O3; ii – Cu – ZnO/Al2O3

[B].

i – Fe/Al2O3; ii – Cu – ZnO/Al2O3

[C].

i – Ni/Al2O3; ii – Fe/Al2O3

[D].

i – Fe/Al2O3; ii – Ni/Al2O3

Answer: Option C

Explanation:

No answer description available for this question.

Consider the production of ammonia from methene and air as raw materials. The catalyst used are: (i) __________ for steam reforming of methane and (ii) __________ for ammonia synthesis. Read More »

CHEMICAL ENGINEERING, Chemical Process

In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed :

CHEMICAL ENGINEERING, Chemical Process /
Question: In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed :
[A].

furnace → converter → absorber

[B].

furnace → evaporator → absorber

[C].

furnace → converter → evaporator

[D].

converter → furnace → absorber

Answer: Option A

Explanation:

No answer description available for this question.

In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed : Read More »

CHEMICAL ENGINEERING, Chemical Process

For the hydrogenation of oils __________ (A) __________ is commonly used as catalyst and __________ (B) __________ is a catalyst poison.

CHEMICAL ENGINEERING, Chemical Process /
Question: For the hydrogenation of oils __________ (A) __________ is commonly used as catalyst and __________ (B) __________ is a catalyst poison.
[A].

(A) platinum (B) sulphur

[B].

(A) palladium (B) oxygen

[C].

(A) nickel (B) sulphur

[D].

(A) nickel (B) oxygen

Answer: Option C

Explanation:

No answer description available for this question.

For the hydrogenation of oils __________ (A) __________ is commonly used as catalyst and __________ (B) __________ is a catalyst poison. Read More »

CHEMICAL ENGINEERING, Chemical Process

One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to

CHEMICAL ENGINEERING, Chemical Process /
Question: One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to
[A].

adjust the pH of the syrup.

[B].

remove the coloring matter from the syrup.

[C].

reduce the viscosity of the syrup.

[D].

improve the rate of crystallisation of sugar.

Answer: Option A

Explanation:

No answer description available for this question.

One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to Read More »

CHEMICAL ENGINEERING, Chemical Process

Wood charcoal is used for decolouration of sugar, because it __________ the coloured materials.

CHEMICAL ENGINEERING, Chemical Process /
Question: Wood charcoal is used for decolouration of sugar, because it __________ the coloured materials.
[A].

adsorbs

[B].

oxidises

[C].

reduces

[D].

converts

Answer: Option A

Explanation:

No answer description available for this question.

Wood charcoal is used for decolouration of sugar, because it __________ the coloured materials. Read More »

CHEMICAL ENGINEERING, Chemical Process