Pick out the wrong statement.

Dehydration of ammonium carbamate to produce urea is endothermic

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

Answer

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

Phosphate rock when reacted with dilute H₂SO₄ produces superphosphate

Answer: Option B

Answer: Option B

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