Pick out the correct statement?

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

C. al feed rate</strong>

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

E. Both B. and C.

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