FERTILISER TECHNOLOGY QUIZ

Oxidation of ammonia is

Exothermic

Non-catalytic

Autocatalytic

Endothermic

TRUE ANSWER : ?
YOUR ANSWER : ?

5-10-5 fertilisers mean that they contain

Only 5 to 10% active fertiliser constituents

5, 10, 5% respectively of N₂, P₂O₅ and K₂O

None of these

5 to 10% filler & carrier of soil conditioners

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following nitrogenous fertilisers has the highest percentage of nitrogen?

Urea

Calcium nitrate

Ammonium sulphate

Calcium ammonium nitrate (CAN)

TRUE ANSWER : ?
YOUR ANSWER : ?

Fertiliser plants get their N₂ requirements

By dissociating oxides of nitrogen

By fractionation of liquified air

From coal gas (coke oven gas)

From producer gas

TRUE ANSWER : ?
YOUR ANSWER : ?

Gas based fertiliser plants use

Coal gas as heating medium

Natural gas as heating medium

Coal gas as a source of hydrogen

Natural gas as a source of hydrogen

TRUE ANSWER : ?
YOUR ANSWER : ?

Ammonium sulphate fertiliser is

A basic fertiliser

A neutral fertiliser

The highest concentration nitrogenous fertiliser

The best fertiliser for paddy

TRUE ANSWER : ?
YOUR ANSWER : ?

Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450°C in the

Presence of a reducing atmosphere

Presence of an inert atmosphere

Presence of an oxidising atmosphere

Absence of air

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Endothermic

Exothermic

Catalytic

Autocatalytic

TRUE ANSWER : ?
YOUR ANSWER : ?

During nitric acid manufacture, catalytic oxidation of ammonia at 800°C in presence of platinum catalyst produces nitrogen oxide. Conversion of NH₃ to NO is about __________ percent.

82

68

98

38

TRUE ANSWER : ?
YOUR ANSWER : ?

Out of the following, N₂ content is minimum in

Ammonium chloride

Ammonium sulphate

Ammonium nitrate

Urea

TRUE ANSWER : ?
YOUR ANSWER : ?

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