Chemical Engineering - Fertiliser Technology

1. 

Reaction of anhydrous liquid ammonia with orthophosphoric acid produces

A. ammonium phosphate
B. superphosphate
C. triple superphosphate
D. none of these

Answer: Option A

Explanation:

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2. 

Electric furnace method for production of phosphorous uses phosphate rock

A. and phosphoric acid
B. and coke
C. and sulphuric acid
D. silica and coke

Answer: Option D

Explanation:

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3. 

Commercial production of hydrogen for the manufacture of nitrogeneous fertilisers is done by

A. steam reforming of naphtha and cracking of natural gas.
B. electrolysis of water.
C. cryogenic separation of hydrogen from coke oven gas.
D. all (a), (b) and (c)

Answer: Option D

Explanation:

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4. 

Which fertiliser is made (using coke oven gas) in by products plant of an integrated steel plant ?

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

Answer: Option C

Explanation:

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5. 

Ammonium phosphate is a __________ fertiliser.

A. nitrogenous
B. phosphatic
C. complex
D. mixed

Answer: Option D

Explanation:

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