FERTILISER TECHNOLOGY QUIZ

Ammonium nitrate is

Not prone to explosive thermal decomposition

Having about 40% N₂

Not hygroscopic

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

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following fertilisers is needed for promoting the development of leaves and stems during early stages of plant growth?

Phosphatic fertiliser

Nitrogeneous fertiliser

None of these

Potassic fertiliser

TRUE ANSWER : ?
YOUR ANSWER : ?

Urea is represented as

NH₂.CO.NH₂

NH₃.CO₂.NH₃

NH₃CO.CH₃

NH.CO₂.NH

TRUE ANSWER : ?
YOUR ANSWER : ?

Plant tranquillisers

Produce seedless fruit

Hold back stem growth and halt plants at a desired height

Accelerate ripening of food and grain

Cause early maturation of plants

TRUE ANSWER : ?
YOUR ANSWER : ?

Ammonium nitrate (a fertiliser) is coated with limestone powder to

Avoid the risk of explosion

Cut down its production cost

Increase its nitrogen content

Add extra nutrient as fertiliser

TRUE ANSWER : ?
YOUR ANSWER : ?

Rock phosphate constitutes mainly of

Mono-calcium phosphate

Di-ammonium phosphate

Di-calcium phosphate

Fluorapatite

TRUE ANSWER : ?
YOUR ANSWER : ?

Temperature and pressure in urea autoclave is

120°C and 300 atm

190°C and 200 atm

200°C and 10 atm

400°C and 550 atm

TRUE ANSWER : ?
YOUR ANSWER : ?

__________ is the undesirable by-product produced in the manufacture of urea.

Ammonium carbonate

Carbon dioxide

Ammonium carbamate

Biuret

TRUE ANSWER : ?
YOUR ANSWER : ?

Phosphoric acid is produced in wet process from phosphate rock and

Concentrated HCl

Dilute H₂SO₄

Concentrated H₂SO₄

Concentrated NHO₃

TRUE ANSWER : ?
YOUR ANSWER : ?

The essential ingradient of all the synthesis gas is

O₂

CO₂

N₂

H₂

TRUE ANSWER : ?
YOUR ANSWER : ?

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