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Fertiliser Technology

Fertiliser Technology
Chemical formula of metaphosphoric acid is

H₃PO₄
Same as that of pyrophosphoric acid
H₄P₂O₇
HPO₃

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Fertiliser Technology
Reaction of anhydrous liquid ammonia with orthophosphoric acid produces

None of these
Superphosphate
Triple superphosphate
Ammonium phosphate

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Fertiliser Technology
Oxidation of ammonia is

Endothermic
Non-catalytic
Autocatalytic
Exothermic

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Fertiliser Technology
The most suitable fertiliser for accelerating seeding or fruit formation in later stages of plant growth is __________ fertiliser.

Phosphatic
None of these
Potassic
Nitrogenous

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Fertiliser Technology
Which is the most suitable fertiliser for paddy?

Superphosphate
Ammonium sulphate
Ammonium nitrate
CAN

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Fertiliser Technology
Heating of coke, sand & phosphate rock in an electric furnace is done for the manufacture of

Triple superphosphate
Phosphoric acid
Superphosphate
Phosphorous

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