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Fertiliser Technology

Fertiliser Technology
Nitrogen content of urea is about __________ percent.

80
94
10
46

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Fertiliser Technology
Nitrogen content of calcium ammonium nitrate (CAN) is __________ percent.

80
25
50
10

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Fertiliser Technology
Liquid ammonia is not used as such a fertiliser in tropical countries like India, because

Its Nā‚‚ content is very low
It is very costly
It will evaporate on spraying
It is not available

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Fertiliser Technology
Which of the following is not a measure component necessarily to be present in fertilisers?

Sulphur
Phosphorous
Potassium
Nitrogen

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

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

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Fertiliser Technology
Though liquid ammonia itself is a fertiliser (with 82% nitrogen content) yet it is commonly not used as such in a tropical country like India, because it

Is in short supply
Has a pungent smell
Is toxic and highly corrosive
Vaporises at normal temperature

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