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Fertiliser Technology

Fertiliser Technology
The concentration (weight %) of nitric acid produced by the oxidation of ammonia and absorption of nitrogen oxides with water is about __________ percent.

30
100
95
60

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Fertiliser Technology
Superphosphate is manufactured by reacting phosphate rock with

Sulphuric acid
Acetic acid
Aluminium chloride
None of these

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

Urea
Calcium ammonium nitrate
Superphosphate
Ammonium sulphate

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Fertiliser Technology
Vapor phase reaction of ammonia & nitric acid to produce ammonium nitrate is termed as the __________ process.

Du-pont's
Haber's
Stengel
Le-chatlier's

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Fertiliser Technology
Coal based fertiliser plants at Ramagundam (Andhra Pradesh) and Talchar (Orissa)

Use coal as conditioner in fertiliser
Gasify coal to get hydrogen from coal gas
Use coal for heating purpose
Use coal as filler in fertiliser

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Fertiliser Technology
Temperature and pressure in urea autoclave is

200°C and 10 atm
120°C and 300 atm
400°C and 550 atm
190°C and 200 atm

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