Chemical Engineering - Fertiliser Technology

26. 

The concentration (weight %) of nitric acid produced by the oxidation of ammonia and absorption of nitrogen oxides with water is about __________ percent.

A. 60
B. 30
C. 95
D. 100

Answer: Option A

Explanation:

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27. 

Urea is a __________ fertiliser.

A. nitrogenous
B. potassic
C. phosphatic
D. none of these

Answer: Option A

Explanation:

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28. 

Calcium ammonium nitrate (CAN) is

A. a mixed fertiliser
B. a straight fertiliser
C. a complex fertiliser
D. not a fertiliser ; it is an explosive

Answer: Option C

Explanation:

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29. 

CO2 present in reformed gas (obtained by steam reforming of naphtha) is removed by absorbing in

A. mono-ethanolamine (MEA)
B. slaked lime
C. ammoniacal liquor
D. Methyl-Ethyl Ketone (MEK)

Answer: Option A

Explanation:

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30. 

Which is the most suitable fertiliser for paddy ?

A. CAN
B. Ammonium sulphate
C. Ammonium nitrate
D. Superphosphate

Answer: Option B

Explanation:

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