FERTILISER TECHNOLOGY QUIZ

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

Urea

CAN

Superphosphate

Ammonium sulphate

TRUE ANSWER : ?
YOUR ANSWER : ?

Dehydration of ammonium carbamate produces

Ammonia water

Biuret

Urea

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

HPO₃ is the chemical formula of __________ phosphoric acid.

Potassic fertilisers

Help in development of starches of potatoes and grain

None of these

Are useful during early stage of the plant growth

Stimulate early growth and accelerate seeding

TRUE ANSWER : ?
YOUR ANSWER : ?

Urea (a nitrogeneous fertiliser) is produced from carbon dioxide and

Ammonium nitrate

Nitric oxide

Ammonia

Nitric acid

TRUE ANSWER : ?
YOUR ANSWER : ?

Reaction of nitric acid and sulphuric acid with phosphate rock produces

Tributyl phosphate

Diammonium phosphate

Nitrophosphate

Tricresyl phosphate

TRUE ANSWER : ?
YOUR ANSWER : ?

Excessive use of chemical fertilisers causes shrivelling of the roots and wilting of the plant, because the

Soil becomes too alkaline

Osmotic pressure of the soil water becomes less than that of the plant sap

Soil becomes too acidic

Osmotic pressure of the soil water becomes higher than that of the plant sap

TRUE ANSWER : ?
YOUR ANSWER : ?

P₂O₅ percentage in the phosphoric acid produced by wet process is about

50

10

30

70

TRUE ANSWER : ?
YOUR ANSWER : ?

H₃PO₄ is the chemical formula of __________ phosphoric acid.

Pyro

Urea is a __________ fertiliser.

Potassic

Nitrogenous

None of these

Phosphatic

TRUE ANSWER : ?
YOUR ANSWER : ?