FERTILISER TECHNOLOGY QUIZ

Calcium ammonium nitrate (CAN) is

A complex fertiliser

A straight fertiliser

A mixed fertiliser

Not a fertiliser ; it is an explosive

TRUE ANSWER : ?
YOUR ANSWER : ?

An increase in the NH₃/CO₂ ratio in urea manufacture results in

Decreased degree of conversion of NH₃ to urea

Decreased specific volume of molten mass

Decreased yield of urea

Increased degree of conversion of CO₂ to urea

TRUE ANSWER : ?
YOUR ANSWER : ?

5-10-5 fertilisers mean that they contain

5 to 10% filler & carrier of soil conditioners

5, 10, 5% respectively of N₂, P₂O₅ and K₂O

None of these

Only 5 to 10% active fertiliser constituents

TRUE ANSWER : ?
YOUR ANSWER : ?

A potassic fertiliser contains 50% K₂O. It could be

Potassium sulphate

Potassium chloride

A mixture of NaCl+ KCl

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Ammonium nitrate is

Not hygroscopic

Having about 40% N₂

Not prone to explosive thermal decomposition

Mixed with limestone powder to reduce its explosive nature before using it as a fertilizer

TRUE ANSWER : ?
YOUR ANSWER : ?

Triple superphosphate is made by reacting phosphate rock with __________ acid.

Sulphuric

Nitric

Phosphoric

Hydrochloric

TRUE ANSWER : ?
YOUR ANSWER : ?

Effectiveness of a fertiliser is independent of the

Nature of soil

PH of soil

None of these

Type of crop

TRUE ANSWER : ?
YOUR ANSWER : ?

HPO₃ is the chemical formula of __________ phosphoric acid.

None of these

Pyro

Ortho

Meta

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following does not come under the category of 'micro-nutrient' for plant growth?

Iron

Chlorine

Boron

Carbon

TRUE ANSWER : ?
YOUR ANSWER : ?

Nitro-phosphate (manufactured at Trom-bay) is a __________ fertiliser.

Mixed

Highly explosive

Highly hygroscopic

Complex

TRUE ANSWER : ?
YOUR ANSWER : ?

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