FERTILISER TECHNOLOGY QUIZ

Liquid ammonia is not used as such a fertiliser in tropical countries like India, because

It is not available

It will evaporate on spraying

Its N₂ content is very low

It is very costly

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Superphosphate

Urea

CAN

Ammonium sulphate

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is a natural inorganic fertiliser?

Gobar mannure

Chile salt petre

None of these

Oilcake

TRUE ANSWER : ?
YOUR ANSWER : ?

A potassic fertiliser contains 50% K₂O. It could be

A mixture of NaCl+ KCl

Potassium sulphate

Potassium chloride

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Chemical formula of metaphosphoric acid is

H₄P₂O₇

Same as that of pyrophosphoric acid

HPO₃

H₃PO₄

TRUE ANSWER : ?
YOUR ANSWER : ?

__________ is required more for leafy crops.

Carbon

Phosphorous

Potassium

Nitrogen

TRUE ANSWER : ?
YOUR ANSWER : ?

Ammonia synthesis gas is produced from natural gas by

Hydrogenation

Partial oxidation

Steam reforming

Thermal cracking

TRUE ANSWER : ?
YOUR ANSWER : ?

Bio-fertilisers are cheaper, renewable and pollution free. They improve the __________ of the soil.

Texture

All of these

Nutrient supply

Water holding capacity

TRUE ANSWER : ?
YOUR ANSWER : ?

Heating of coke, sand & phosphate rock in an electric furnace is done for the manufacture of

Phosphorous

Phosphoric acid

Triple superphosphate

Superphosphate

TRUE ANSWER : ?
YOUR ANSWER : ?

Chemical formula of biuret is

NH₄COONH₂

NH₃.COO.NH₃

NH₂CONHCONH₂

NH₂.CO.NH₂

TRUE ANSWER : ?
YOUR ANSWER : ?

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