FERTILISER TECHNOLOGY QUIZ

Potassic fertilisers do not promote the development of

Starches of potatoes & grains

Stems & leaves during early stage of plant growth

Sugar of fruits & vegetables

Fibrous materials of plants

TRUE ANSWER : ?
YOUR ANSWER : ?

Catalyst used in the manufacture of NH₃ by Haber's process is finely divided

Iron

Alumina

Vanadium pentoxide

Nickel

TRUE ANSWER : ?
YOUR ANSWER : ?

Low grade phosphate rock can be used in electrical furnace, because

It is cheap

CaO content is less

It produces low cost product

Of the better CaO/SiO₂ balance for slag formation

TRUE ANSWER : ?
YOUR ANSWER : ?

A phosphatic fertiliser contains 16% P₂O₅. It could be

None of these

Triple superphosphate

Superphosphate

Dicalcium phosphate

TRUE ANSWER : ?
YOUR ANSWER : ?

Reaction of dilute sulphuric acid with phosphate rock produces

Superphosphate

Triple superphosphate

Gypsum

Phosphoric acid

TRUE ANSWER : ?
YOUR ANSWER : ?

A fertiliser plant is classified as a gas based fertiliser plant, when it uses __________ gas as a source of hydrogen for the manufacture of ammonia.

Natural

Producer

Coal

Coke oven

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Ammonium sulphate

Liquid ammonia

Urea

Ammonium phosphate

TRUE ANSWER : ?
YOUR ANSWER : ?

A mixture of phosphate rock __________ is heated in an electric furnace to produce phosphorous.

Salt & coke

And sand

And coke

Sand & coke

TRUE ANSWER : ?
YOUR ANSWER : ?

Dehydration of ammonium carbamate produces

Biuret

None of these

Ammonia water

Urea

TRUE ANSWER : ?
YOUR ANSWER : ?

Nitro-phosphate (manufactured at Trom-bay) is a __________ fertiliser.

Highly explosive

Highly hygroscopic

Complex

Mixed

TRUE ANSWER : ?
YOUR ANSWER : ?

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