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For given NH3/CO2 ratio pressure (more than the dissociation pressure for the carbamate) urea production rate

[A].	decreases with increase in temperature from 140?C to 175?C	[B].	increases with increase in temperature to maximum at 175-180?C then falls off sharply
[C].	decreases linearly with increase in temperature	[D].	is independent of temperature

Answer: Option B