2025 · Q106
Which one of the following is not a nitrogen fertilizer?
General KnowledgeChemistry
- A(NH4)2SO4
- BNH4NO3
- CN2
- D(NH2)2CO
Explanation
Ammonium sulphate ((NH4)2SO4), ammonium nitrate (NH4NO3) and urea ((NH2)2CO) all supply nitrogen to plants and are nitrogenous fertilizers. Molecular nitrogen (N2) is the inert dinitrogen of the atmosphere and is not used as a nitrogen fertilizer. Urea, with 46% nitrogen, is the most widely used nitrogenous fertilizer in India.