4459Chemical EngineeringMedium
Which one of the following is used as a nitrogenous fertilizer, as a weed killer in the onion fields and for correcting acidic soils?
ACalcium cyanamide
BUrea
CAmmonium sulphate
DCAN
Correct answer
A. Calcium cyanamide
Explanation
The correct answer is Calcium cyanamide.