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Fertiliser Technology

Fertiliser Technology
A mixture of phosphate rock __________ is heated in an electric furnace to produce phosphorous.

And coke
And sand
Sand & coke
Salt & coke

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Fertiliser Technology
Bio-fertilisers are cheaper, renewable and pollution free. They improve the __________ of the soil.

All of these
Texture
Water holding capacity
Nutrient supply

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

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Fertiliser Technology
Reaction of phosphate rock with 98% H₂SO₄ produces

None of these
Orthophosphoric acid
Superphosphate
White phosphorous

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Fertiliser Technology
In __________ converter for ammonia synthesis, the catalyst is arranged in the form of a single continuous bed.

Fauser-Monte Catini
Kellog
Udhe
Claude

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Fertiliser Technology
Nitrolime is chemically known as

None of these
Calcium nitrate
Ammonium nitrate
Calcium ammonium nitrate (CAN)

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