FERTILISER TECHNOLOGY QUIZ

Though liquid ammonia itself is a fertiliser (with 82% nitrogen content) yet it is commonly not used as such in a tropical country like India, because it

Is in short supply

Vaporises at normal temperature

Is toxic and highly corrosive

Has a pungent smell

TRUE ANSWER : ?
YOUR ANSWER : ?

The essential ingradient of all the synthesis gas is

O₂

N₂

H₂

CO₂

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Which of the following nitrogenous fertilisers has the highest percentage of nitrogen?

Calcium ammonium nitrate (CAN)

Ammonium sulphate

Urea

Calcium nitrate

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Ammonium sulphate fertiliser is

A basic fertiliser

The best fertiliser for paddy

The highest concentration nitrogenous fertiliser

A neutral fertiliser

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Which of the following solvents is used for the extraction of H₃PO₄ from CaCl₂ solution during manufacture of ortho-phosphoric acid by wet process employing hydrochloric acid leaching?

Toluene

Hexane

Butyl alcohol

Iso propyl alcohol

TRUE ANSWER : ?
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Phosphorus vapour comprises of

P₄

P₂

P₃

P

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

It will evaporate on spraying

Its N₂ content is very low

It is very costly

It is not available

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Rock phosphate constitutes mainly of

Di-ammonium phosphate

Di-calcium phosphate

Mono-calcium phosphate

Fluorapatite

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Urea is formed only

At very high temperature

In vapour phase

In liquid phase

At very low pressure (vacuum)

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Ammonium sulphate can be produced by reacting gypsum with

Ammonia

Ammonium carbonate

None of these

Nitric acid

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