FERTILISER TECHNOLOGY QUIZ

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

15-17

20-25

43894

44053

TRUE ANSWER : ?
YOUR ANSWER : ?

Catalytic ammonia synthesis reaction as in Haber's process is

Endothermic

Irreversible

None of these

Exothermic

TRUE ANSWER : ?
YOUR ANSWER : ?

Potassic fertilisers do not promote the development of

Starches of potatoes & grains

Sugar of fruits & vegetables

Stems & leaves during early stage of plant growth

Fibrous materials of plants

TRUE ANSWER : ?
YOUR ANSWER : ?

Fertiliser plants get their N₂ requirements

From coal gas (coke oven gas)

By fractionation of liquified air

From producer gas

By dissociating oxides of nitrogen

TRUE ANSWER : ?
YOUR ANSWER : ?

Reaction of __________ acid with phosphate rock produces superphosphates.

Nitric

Hydrochloric

Phosphoric

Sulphuric

TRUE ANSWER : ?
YOUR ANSWER : ?

Fauser Monte Catini converter is used for

None of these

Methanation of CO and CO₂

Ammonia synthesis (e.g. at FCI Sindri)

Shift conversion (i.e. CO to CO₂)

TRUE ANSWER : ?
YOUR ANSWER : ?

Maximum stability of white phosphorous is at

Atmospheric pressure

Room temperature

>600°C

Very high pressure

TRUE ANSWER : ?
YOUR ANSWER : ?

Nitric acid is produced on commercial scale in a fertiliser plant by

Oxidation of ammonia

CaNO₃ + H₂SO₄ reaction

Passing air through high voltage electric arc

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Fertiliser produced during soda ash manufacture by dual process is ammonium

Sulphate

None of these

Nitrate

Chloride

TRUE ANSWER : ?
YOUR ANSWER : ?

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

It is cheap

Of the better CaO/SiO₂ balance for slag formation

It produces low cost product

CaO content is less

TRUE ANSWER : ?
YOUR ANSWER : ?

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