FERTILISER TECHNOLOGY QUIZ

__________ is required more for leafy crops.

Carbon

Potassium

Phosphorous

Nitrogen

TRUE ANSWER : ?
YOUR ANSWER : ?

Fertiliser plants get their N₂ requirements

By dissociating oxides of nitrogen

By fractionation of liquified air

From producer gas

From coal gas (coke oven gas)

TRUE ANSWER : ?
YOUR ANSWER : ?

Heating of orthophosphoric acid to about 900°C, produces

None of these

Metaphosphoric acid

Pyrophosphoric acid

No change in it

TRUE ANSWER : ?
YOUR ANSWER : ?

Temperature and pressure in ammonia converter is

200 atm, 1000°C

450 atm, 550°C

450 atm, 200°C

450 atm, 1000°C

TRUE ANSWER : ?
YOUR ANSWER : ?

Ammonia synthesis gas is produced from natural gas by

Steam reforming

Thermal cracking

Partial oxidation

Hydrogenation

TRUE ANSWER : ?
YOUR ANSWER : ?

__________ is not a fertiliser.

Liquid ammonia

Ammonium sulphate

Ferrous sulphate

Calcium ammonium nitrate

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Alumina

No

Nickel

Vanadium pentoxide

TRUE ANSWER : ?
YOUR ANSWER : ?

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

H? separation from coke oven gas

Steam reforming of naphtha

Cracking of natural gas

Electrolysis of water

TRUE ANSWER : ?
YOUR ANSWER : ?

The optimum size of the ammonia plant is __________ tons/day.

100

1000C

10

1000

TRUE ANSWER : ?
YOUR ANSWER : ?

Catalyst used in desulphurisation of naphtha is

Silica gel

Pt-Rh

Co-Mo

Nickel

TRUE ANSWER : ?
YOUR ANSWER : ?

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