Which one of the following is used as a nitrogenous fertiliser, as a weed killer in the onion fields and for correcting acidic soils?
A. Urea
B. CAN
C. Ammonium sulphate
D. Calcium cyanamide
Answer: Option D
This Question Belongs to Chemical Engineering >> Fertiliser Technology
Join The Discussion
Comments ( 1 )
Related Questions on Fertiliser Technology
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
Which of the following fertilizers contains least percentage of nitrogen?