FERTILISER TECHNOLOGY QUIZ

Multistage operation (as in the case of catalytic oxidation of SO₂) is not carried out for NH₃ synthesis, because of

Higher pumping cost

High cost of the high pressure vessel used for the reactor

Comparatively higher pressure drop

Chances of entrainment and disturbance of catalyst bed

TRUE ANSWER : ?
YOUR ANSWER : ?

Urea is a better fertilizer than ammonium sulphate, because

It is not poisonous

It is easy to manufacture

It is cheaper

Nitrogen content is higher

TRUE ANSWER : ?
YOUR ANSWER : ?

__________ is the most suitable fertiliser for paddy.

Urea

Ammonium sulphate

Superphosphate

Potassium nitrate

TRUE ANSWER : ?
YOUR ANSWER : ?

Flushing liquor used for cooling coke oven gas constitutes of

K₂CO₃ solution

Dilute H₂SO₄

Dilute HCl

Ammoniacal liquor

TRUE ANSWER : ?
YOUR ANSWER : ?

Vetrocoke solution is

K₂SO₄

Na₂SO₄

A mixture of K₂CO₃ and As₂O₃

A mixture of Na₂CO₃ and As₂O₃

TRUE ANSWER : ?
YOUR ANSWER : ?

P₂O₅ content in triple superphosphate is about __________ percent.

85-90

70-75

15-20

42-50

TRUE ANSWER : ?
YOUR ANSWER : ?

Ammonium phosphate is a __________ fertiliser.

Phosphatic

Mixed

Complex

Nitrogenous

TRUE ANSWER : ?
YOUR ANSWER : ?

Rock phosphate constitutes mainly of

Mono-calcium phosphate

Di-ammonium phosphate

Di-calcium phosphate

Fluorapatite

TRUE ANSWER : ?
YOUR ANSWER : ?

Ammonia synthesis reaction is

Autocatalytic

None of these

Exothermic

Endothermic

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following fertilisers contains the least percentage of nitrogen?

Ammonium sulphate

Ammonium phosphate

Urea

Liquid ammonia

TRUE ANSWER : ?
YOUR ANSWER : ?

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