Pick out the correct statement.

Question

Options:

A . Reaction of NH₃ with HNO₃ to produce (NH₄)₂NO₃ is endothermic

B . With increase in NH₃/CO₂ ratio, urea yield decreases for a given temperature, pressure and total feed rate

C . Biuret (an intermediate during urea manufacture) is toxic to seeds and animals

D . Both B and C

Answer: Option B

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