Fertiliser Technology
Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis?

H? separation from coke oven gas
Electrolysis of water
Steam reforming of naphtha
Cracking of natural gas

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

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

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