A. NH2.CO.NH2
B. NH3.COO.NH3
C. NH2CONHCONH2
D. NH4COONH2
Related Mcqs:
- Biuret formation in urea is kept at minimum (< 1 %), because it is___________________?
A. Corrosive in nature
B. Toxic and harmful to some crops
C. Helpful in decomposition of urea
D. Explosive in nature - H4P2O7 is the chemical formula of _____________ phosphoric acid?
A. Pyro
B. Ortho
C. Meta
D. None of these - HPO3 is the chemical formula of ______________ phosphoric acid?
A. Pyro
B. Ortho
C. Meta
D. None of these - (CH3 C6 H4)3 PO4 is the chemical formula of__________________?
A. Triple superphosphate
B. Tricresyl phosphate
C. Fluorapatite
D. Superphosphate - CaH4(PO4)2 is the chemical formula of ___________________?
A. Superphosphate
B. Triple superphosphate
C. Calcium phosphate
D. Meta phosphoric acid - H3PO4 is the chemical formula of ______________ phosphoric acid?
A. Pyro
B. Ortho
C. Meta
D. None of these - Chemical formula of meta-phosphoric acid is ___________________?
A. H3PO4
B. H4P2O7
C. HPO3
D. Same as that of Pyrophosphoric acid - Excessive use of chemical fertilisers causes shrivelling of the roots and wilting of the plant, because the__________________?
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 - In the manufacture of urea, the intermediate chemical formed is__________________?
A. Biuret
B. Ammonium carbamate
C. Ammonium carbonate
D. None of these - Catalytic ammonia synthesis reaction as in Haber’s process is_________________?
A. Endothermic
B. Exothermic
C. Irreversible
D. None of these