FERTILISER TECHNOLOGY QUIZ

Reaction of orthophosphoric acid with phosphate rock produces

Superphosphate

Metaphosphoric acid

Triple superphosphate

Monoammonium phosphate

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?

Nitrogeneous fertiliser

Phosphatic fertiliser

None of these

Potassic fertiliser

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

Slaked lime

Ammoniacal liquor

Mono-ethanolamine (MEA)

Methyl-Ethyl Ketone (MEK)

TRUE ANSWER : ?
YOUR ANSWER : ?

Reaction of dilute sulphuric acid with phosphate rock produces

Phosphoric acid

Gypsum

Superphosphate

Triple superphosphate

TRUE ANSWER : ?
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Triple superphosphate which contains about 46% P₂O₅ is produced by the reaction of phosphate rock with ortho phosphoric acid of____percent concentration.

75-80

52-54

> 98

25-28

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The essential ingradient of all the synthesis gas is

H₂

O₂

N₂

CO₂

TRUE ANSWER : ?
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Urea is formed only

At very low pressure (vacuum)

In liquid phase

In vapour phase

At very high temperature

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Optimum reaction temperature in steam reforming of naphtha is __________ °C.

300 - 450

700 - 1000

100-200

1500-1700

TRUE ANSWER : ?
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Heating of orthophosphoric acid to 250°C produces

No change in it

Pyrophosphoric acid

None of these

Metaphosphoric acid

TRUE ANSWER : ?
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Reaction of anhydrous liquid ammonia with orthophosphoric acid produces

Ammonium phosphate

None of these

Superphosphate

Triple superphosphate

TRUE ANSWER : ?
YOUR ANSWER : ?

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