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Fertiliser Technology

Fertiliser Technology
NPK fertiliser is a __________ fertiliser.

Complex
Mixed
Phosphatic
Nitrogenous

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Fertiliser Technology
H₄P₂O₇ is the chemical formula of __________ phosphoric acid.

Pyro
None of these
Meta
Ortho

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Fertiliser Technology
Which of the following is a natural inorganic fertiliser?

None of these
Oilcake
Gobar mannure
Chile salt petre

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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

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

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Fertiliser Technology
Nitrolime is

Calcium nitrate
A mixture of ammonium nitrate and calcium nitrate
Calcium ammonium nitrate
A mixture of nitric acid and lime

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Fertiliser Technology
Catalyst used in steam reforming of naphtha is

Silica gel
Rhodium
Nickel
Platinum

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