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

Phosphoric acid
Triple superphosphate
Phosphorous
Superphosphate

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Fertiliser Technology
The composition of fresh feed to the high temperature, high pressure urea autoclave is

Liquid ammonia and excess compressed CO₂
Compressed ammonia gas and excess compressed CO₂
Excess liquid ammonia and compressed CO₂ gas
Excess liquid ammonia and liquefied CO₂

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