FERTILISER TECHNOLOGY QUIZ

Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis?

Cracking of natural gas

H? separation from coke oven gas

Steam reforming of naphtha

Electrolysis of water

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Potassic fertiliser is graded based on its __________ content.

KNO₃

KCl

K₂O

K₂SO₄

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Catalytic ammonia synthesis reaction as in Haber's process is

Irreversible

Endothermic

None of these

Exothermic

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Catalyst used in steam reforming of naphtha is

Silica gel

Platinum

Nickel

Rhodium

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Calcium ammonium nitrate (CAN) is

A mixed fertiliser

A complex fertiliser

A straight fertiliser

Not a fertiliser ; it is an explosive

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Color of nitric acid is light yellow due to the presence of

NH₃

NO

N₂H₅

NO₂

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Oxidation of ammonia is

Exothermic

Non-catalytic

Endothermic

Autocatalytic

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Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas?

Water

Coal/coke oven gas

Naphtha

Tar

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Electric furnace method for production of phosphorous uses phosphate rock

Silica and coke

And sulphuric acid

And coke

And phosphoric acid

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__________ catalyst is used in the production of urea from CO₂ and NH₃.

Vanadium pentoxide

Alumina

Nickel

No

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