FERTILISER TECHNOLOGY QUIZ

Catalyst used in Haber's process for ammonia production is

Nickel

Vanadium pentoxide

Reduced iron oxide

Silica gel

TRUE ANSWER : ?
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Electric process as compared to wet process (for the manufacture of phosphoric acid)

Can use only high grade phosphate rock

Is used less frequently

Is weak acid process

Produces a valuable by-product called gypsum

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Fertiliser value of a nitrogeneous fertiliser is expressed in terms of its __________ content.

KNO₃

NO₂

N₂

NHO₃

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Fertilizer plant getting its hydrogen requirement partly from coke oven gas is situated at

Talchar (under FCI)

Rourkela (under SAIL)

Barauni (under HFC)

Nangal (under NFL)

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

Cryogenic separation of hydrogen from coke oven gas

Electrolysis of water

All of these

Steam reforming of naphtha and cracking of natural gas

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Which of the following fertilisers is used as a cattle feed?

Superphosphate

Calcium ammonium nitrate

Urea

Ammonium sulphate

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Promoter used in NH₃ synthesis catalyst is

SiO₃

V₂O₅

K₂O

U₂O₃

TRUE ANSWER : ?
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Temperature and pressure in urea autoclave is

190°C and 200 atm

200°C and 10 atm

400°C and 550 atm

120°C and 300 atm

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H₄P₂O₇ is the chemical formula of __________ phosphoric acid.

Ortho

Pyro

Meta

None of these

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Heating of orthophosphoric acid to about 900°C, produces

None of these

No change in it

Pyrophosphoric acid

Metaphosphoric acid

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YOUR ANSWER : ?

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