FERTILISER TECHNOLOGY QUIZ

Fertiliser produced during soda ash manufacture by dual process is ammonium

Chloride

Sulphate

None of these

Nitrate

TRUE ANSWER : ?
YOUR ANSWER : ?

A nitrogenous fertiliser contains 20% N₂. It could be

Ammonium nitrate

Ammonium chloride

Calcium ammonium nitrate (CAN)

Urea

TRUE ANSWER : ?
YOUR ANSWER : ?

Reaction of cresylic acid with __________ produces tricresyl phosphate.

Phosphorous pentoxide

Calcium phosphate

Ammonium phosphate

Phosphorous oxychloride

TRUE ANSWER : ?
YOUR ANSWER : ?

Ammonium sulphate can be produced by reacting gypsum with

None of these

Ammonia

Nitric acid

Ammonium carbonate

TRUE ANSWER : ?
YOUR ANSWER : ?

Electric process as compared to wet process (for the manufacture of phosphoric acid)

Can use only high grade phosphate rock

Is weak acid process

Produces a valuable by-product called gypsum

Is used less frequently

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YOUR ANSWER : ?

Urea is formed only

In liquid phase

At very low pressure (vacuum)

At very high temperature

In vapour phase

TRUE ANSWER : ?
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Fertiliser plants get their N₂ requirements

By dissociating oxides of nitrogen

From producer gas

From coal gas (coke oven gas)

By fractionation of liquified air

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Triple superphosphate is chemically represented as

CaF₂.3Ca₃(PO₄)₂

Ca(PO₃)₂

3Ca₃(PO₄)₂

Ca(H₂PO₄)₂

TRUE ANSWER : ?
YOUR ANSWER : ?

Catalyst used in the oxidation of ammonia is

Platinum-beryllium

Platinum-rhodium

Platinum-molybdenum

Cobalt-molybdenum

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

Phosphorous

Potassium

Nitrogen

Sulphur

TRUE ANSWER : ?
YOUR ANSWER : ?

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