FERTILISER TECHNOLOGY QUIZ

In natural gas, the C/H ratio (by weight) varies in the range of

20-25

15-17

43894

44053

TRUE ANSWER : ?
YOUR ANSWER : ?

Which nutrient in fertiliser makes the plant stems stronger and increases branching?

Phosphorous

Calcium

Potassium

Nitrogen

TRUE ANSWER : ?
YOUR ANSWER : ?

Heating of orthophosphoric acid to about 900°C, produces

None of these

Pyrophosphoric acid

No change in it

Metaphosphoric acid

TRUE ANSWER : ?
YOUR ANSWER : ?

The most suitable fertiliser for accelerating seeding or fruit formation in later stages of plant growth is __________ fertiliser.

Potassic

Nitrogenous

Phosphatic

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Iron

Nickel

Alumina

Vanadium pentoxide

TRUE ANSWER : ?
YOUR ANSWER : ?

Catalytic ammonia synthesis reaction as in Haber's process is

Irreversible

None of these

Exothermic

Endothermic

TRUE ANSWER : ?
YOUR ANSWER : ?

Ammonium nitrate is

Mixed with limestone powder to reduce its explosive nature before using it as a fertilizer

Not hygroscopic

Having about 40% N₂

Not prone to explosive thermal decomposition

TRUE ANSWER : ?
YOUR ANSWER : ?

Naphtha in a fertiliser plant is used as a source of

N₂

Fuel

O₂

H₂

TRUE ANSWER : ?
YOUR ANSWER : ?

Dehydration of ammonium carbamate produces

Biuret

Urea

None of these

Ammonia water

TRUE ANSWER : ?
YOUR ANSWER : ?

Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium

Bicarbonate

Carbonate

Phosphate

Silicate

TRUE ANSWER : ?
YOUR ANSWER : ?

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