Pick out the wrong statement?

A. Dehydration of ammonium carbamate to produce urea is endothermic

B. Phosphate rock when reacted with dilute H2SO4 produces superphosphate

C. ho-phosphoric acid

D. Gypsum (CaSO4. 2H2O) is obtained as a by-product in the wet process for manufacture of

E. Direct use of liquid ammonia as a fertiliser for a tropical country like India is suitable

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