A. Urea
B. Liquid NH3
C. Ammonium nitrate
D. None of these
A. NH2.CO.NH2
B. NH3CO.CH3
C. NH.CO2.NH
D. NH3.CO2.NH3
A. Ammonium carbonate
B. Biuret
C. Carbon dioxide
D. Ammonium carbamate
A. Osmotic pressure of the soil water becomes less than that of the plant sap
B. Soil becomes too alkaline
C. Osmotic pressure of the soil water becomes higher than that of the plant sap
D. Soil becomes too acidic
A. Fauser-Montecatini
B. Claude
C. Uhde
D. Kellogg
A. Urea
B. Ammonium sulphate
C. Superphosphate
D. Potassium nitrate
A. Chloride
B. Sulphate
C. Nitrate
D. None of these