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Fertiliser Technology

Fertiliser Technology
__________ is not a fertiliser.

Ammonium sulphate
Liquid ammonia
Calcium ammonium nitrate
Ferrous sulphate

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Fertiliser Technology
Temperature and pressure in ammonia converter is

450 atm, 200°C
450 atm, 550°C
200 atm, 1000°C
450 atm, 1000°C

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Fertiliser Technology
NPK fertiliser is a __________ fertiliser.

Complex
Mixed
Phosphatic
Nitrogenous

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

Of the better CaO/SiO₂ balance for slag formation
It produces low cost product
It is cheap
CaO content is less

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Fertiliser Technology
Reaction of orthophosphoric acid with soda ash produces

Tricresyl phosphate
Tributyl phosphate
Sodium tripolyphosphate (STPP)
Nitrophosphate

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Fertiliser Technology
Calcium ammonium nitrate (CAN) is

A straight fertiliser
A mixed fertiliser
Not a fertiliser ; it is an explosive
A complex fertiliser

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