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

Vaporises at normal temperature

Has a pungent smell

Is toxic and highly corrosive

Is in short supply

TRUE ANSWER : ?
YOUR ANSWER : ?

Heating of orthophosphoric acid to about 900°C, produces

Pyrophosphoric acid

None of these

Metaphosphoric acid

No change in it

TRUE ANSWER : ?
YOUR ANSWER : ?

Ammonia synthesis gas is produced from fuel oil by

Steam reforming

Hydrogenation

Partial oxidation

Hydrocracking

TRUE ANSWER : ?
YOUR ANSWER : ?

Urea is a __________ fertiliser.

None of these

Phosphatic

Nitrogenous

Potassic

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?

None of these

Nitrogeneous fertiliser

Potassic fertiliser

Phosphatic fertiliser

TRUE ANSWER : ?
YOUR ANSWER : ?

Electric furnace method for production of phosphorous uses phosphate rock

And coke

And phosphoric acid

Silica and coke

And sulphuric acid

TRUE ANSWER : ?
YOUR ANSWER : ?

Catalyst used in steam reforming of naphtha is

Nickel

Platinum

Rhodium

Silica gel

TRUE ANSWER : ?
YOUR ANSWER : ?

Maximum nitrogen percentage is in

Ammonium sulphate

Calcium ammonium nitrate

Urea

Liquid ammonia

TRUE ANSWER : ?
YOUR ANSWER : ?

Leaching of phosphate rock by strong __________ acid produces phosphoric acid.

Neither A nor B

Either A or B

Sulphuric

Hydrochloric

TRUE ANSWER : ?
YOUR ANSWER : ?

Dehydration of ammonium carbamate to yield urea is a/an __________ reaction.

Exothermic

Autocatalytic

Catalytic

Endothermic

TRUE ANSWER : ?
YOUR ANSWER : ?

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