FERTILISER TECHNOLOGY QUIZ

Ammonia synthesis gas is produced from fuel oil by

Hydrogenation

Partial oxidation

Hydrocracking

Steam reforming

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following fertilisers is used as a cattle feed?

Superphosphate

Calcium ammonium nitrate

Urea

Ammonium sulphate

TRUE ANSWER : ?
YOUR ANSWER : ?

In an ammonia plant, the purge off is essential to

Remove uncondensed ammonia vapour

Remove excess poisonous gases

Maintain inert gas concentration within a limit

Maintain H₂ : N₂ ratio at 3 :1

TRUE ANSWER : ?
YOUR ANSWER : ?

Reaction of orthophosphoric acid with soda ash produces

Tributyl phosphate

Sodium tripolyphosphate (STPP)

Nitrophosphate

Tricresyl phosphate

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?

Phosphatic fertiliser

Nitrogeneous fertiliser

None of these

Potassic fertiliser

TRUE ANSWER : ?
YOUR ANSWER : ?

Vetrocoke solution is

Na₂SO₄

A mixture of K₂CO₃ and As₂O₃

A mixture of Na₂CO₃ and As₂O₃

K₂SO₄

TRUE ANSWER : ?
YOUR ANSWER : ?

Red phosphorous is changed into white phosphorous by

None of these

Melting under pressure

Vaporisation followed by condensation

Heating in presence of light

TRUE ANSWER : ?
YOUR ANSWER : ?

Phosphorus vapour comprises of

P

P₂

P₃

P₄

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 : ?

Phosphatic fertiliser is graded based on its __________ content.

PCl5

H₃PO₄

P₂O₅

P₂O₃

TRUE ANSWER : ?
YOUR ANSWER : ?

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