Largest capacity nitrogenous fertiliser plants (2700 tons of NH3 per day) (2 Nos) in India are located at
A. Thal-Vaishet (under RCF in Maharashtra) and Hazira (under IFFCO in Gujarat)
B. Talchar (Orissa) and Ramagundam (A.P.) both under FCI
C. Korba (M.P.) and Talchar (Orissa) both under FCI
D. Haldia (W.B) and Namrup (Assam) both under HFC
Answer: Option A
Heating of orthophosphoric acid to about 900°C, produces
A. Metaphosphoric acid
B. Pyrophosphoric acid
C. No change in it
D. None of these
A potassic fertiliser contains 50% K2O. It could be
A. Potassium sulphate
B. Potassium chloride
C. A mixture of NaCl + KCl
D. None of these
Liquid ammonia is not used as such a fertiliser in tropical countries like India, because
A. Its N₂ content is very low
B. It is very costly
C. It will evaporate on spraying
D. It is not available
A. Urea
B. CAN
C. Ammonium sulphate
D. Calcium cyanamide
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