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Fertiliser Technology

Fertiliser Technology
Color of nitric acid is light yellow due to the presence of

N₂H₅
NH₃
NO₂
NO

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Fertiliser Technology
Fertiliser produced during soda ash manufacture by dual process is ammonium

None of these
Nitrate
Chloride
Sulphate

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

Water holding capacity
All of these
Texture
Nutrient supply

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Fertiliser Technology
Maximum stability of white phosphorous is at

Very high pressure
Room temperature
>600°C
Atmospheric pressure

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Fertiliser Technology
The main constituent of rock phosphate is

Mono-calcium phosphate
None of these
Fluorspar
Di-calcium phosphate

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Fertiliser Technology
A fertiliser plant is classified as a gas based fertiliser plant, when it uses __________ gas as a source of hydrogen for the manufacture of ammonia.

Coal
Coke oven
Producer
Natural

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