FERTILISER TECHNOLOGY QUIZ

Urea is represented as

NH₂.CO.NH₂

NH₃.CO₂.NH₃

NH.CO₂.NH

NH₃CO.CH₃

TRUE ANSWER : ?
YOUR ANSWER : ?

Fertiliser produced during soda ash manufacture by dual process is ammonium

None of these

Nitrate

Chloride

Sulphate

TRUE ANSWER : ?
YOUR ANSWER : ?

Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ °C in absence of air.

50-80

250-400

800-900

1000-1200

TRUE ANSWER : ?
YOUR ANSWER : ?

Potassic fertilisers

Are useful during early stage of the plant growth

Stimulate early growth and accelerate seeding

None of these

Help in development of starches of potatoes and grain

TRUE ANSWER : ?
YOUR ANSWER : ?

Raw materials for urea production are

CO₂, H₂ and N₂

CO₂ and N₂

NH₃ and CO

HNO₃ and CaCO₃

TRUE ANSWER : ?
YOUR ANSWER : ?

Main component of bone ash is

Calcium sulphate

Sodium phosphate

Calcium phosphate

Calcium carbonate

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Phosphorous

Nitrogen

Potassium

Sulphur

TRUE ANSWER : ?
YOUR ANSWER : ?

CO₂ present in reformed gas (obtained by steam reforming of naphtha) is removed by absorbing in

Methyl-Ethyl Ketone (MEK)

Ammoniacal liquor

Mono-ethanolamine (MEA)

Slaked lime

TRUE ANSWER : ?
YOUR ANSWER : ?

Rock phosphate constitutes mainly of

Di-calcium phosphate

Fluorapatite

Mono-calcium phosphate

Di-ammonium phosphate

TRUE ANSWER : ?
YOUR ANSWER : ?

Neutralisation of nitric acid with ammonia to produce ammonium nitrate is a/an __________ reaction.

Catalytic

Exothermic

Endothermic

Autocatalytic

TRUE ANSWER : ?
YOUR ANSWER : ?

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