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Fertiliser Technology

Fertiliser Technology
Reaction of __________ acid with phosphate rock produces superphosphates.

Phosphoric
Nitric
Hydrochloric
Sulphuric

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Fertiliser Technology
Potassic fertilisers do not promote the development of

Sugar of fruits & vegetables
Fibrous materials of plants
Stems & leaves during early stage of plant growth
Starches of potatoes & grains

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Fertiliser Technology
Maximum nitrogen percentage is in

Liquid ammonia
Urea
Ammonium sulphate
Calcium ammonium nitrate

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Fertiliser Technology
In natural gas, the C/H ratio (by weight) varies in the range of

43894
44053
20-25
15-17

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Fertiliser Technology
Action of phosphoric acid on rock phosphate produces

Superphosphate
Triple superphosphate
Nitrophosphate
Diammonium phosphate

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

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

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