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Liquid ammonia is not used as such a fertiliser in tropical countries like India, because

CHEMICAL ENGINEERING, Fertiliser Technology /
Question: Liquid ammonia is not used as such a fertiliser in tropical countries like India, because
[A].

its N2 content is very low.

[B].

it is very costly.

[C].

it will evaporate on spraying.

[D].

it is not available.

Answer: Option C

Explanation:

No answer description available for this question.

Liquid ammonia is not used as such a fertiliser in tropical countries like India, because Read More »

CHEMICAL ENGINEERING, Fertiliser Technology

Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450°C in the

CHEMICAL ENGINEERING, Fertiliser Technology /
Question: Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450°C in the
[A].

presence of an inert atmosphere.

[B].

presence of a reducing atmosphere.

[C].

absence of air.

[D].

presence of an oxidising atmosphere.

Answer: Option C

Explanation:

No answer description available for this question.

Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450°C in the Read More »

CHEMICAL ENGINEERING, Fertiliser Technology

A mixture of phosphate rock __________ is heated in an electric furnace to produce phosphorous.

CHEMICAL ENGINEERING, Fertiliser Technology /
Question: A mixture of phosphate rock __________ is heated in an electric furnace to produce phosphorous.
[A].

salt & coke

[B].

sand & coke

[C].

and coke

[D].

and sand

Answer: Option B

Explanation:

No answer description available for this question.

A mixture of phosphate rock __________ is heated in an electric furnace to produce phosphorous. Read More »

CHEMICAL ENGINEERING, Fertiliser Technology

A, CD, GHI, ?, UVWXY

Series Completion, Verbal Reasoning /
Question: A, CD, GHI, ?, UVWXY
[A].

LMNO

[B].

MNO

[C].

MNOP

[D].

NOPQ

Answer: Option C

Explanation:

Each term consists of consecutive letters in order. The number of letters in the terms goes on increasing by one at each step.

Also, there is a gap of one letter between the last letter of the first term and the first letter of the second term; a gap of two letters between the last letter of the second term and the first letter of the third term; and so on.

So, there should be a gap of three letters between the last letter of the third term and the first letter of the desired term.

A, CD, GHI, ?, UVWXY Read More »

Series Completion, Verbal Reasoning

Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of __________ this is normally not done.

CHEMICAL ENGINEERING, Fertiliser Technology /
Question: Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of __________ this is normally not done.
[A].

increased biuret formation

[B].

high corrosion rate

[C].

increased cost of equipment

[D].

all (a), (b) & (c)

Answer: Option D

Explanation:

No answer description available for this question.

Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of __________ this is normally not done. Read More »

CHEMICAL ENGINEERING, Fertiliser Technology