HPO3 is the chemical formula of ______________ phosphoric acid?
HPO3 is the chemical formula of ______________ phosphoric acid?
A. Pyro
B. Ortho
C. Meta
D. None of these
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Biuret formation in urea is kept at minimum (< 1 %), because it is___________________?
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 natureNitrogen content of urea is about _____________ percent ?
Nitrogen content of urea is about _____________ percent ?A. 10
B. 46
C. 80
D. 94Triple superphosphate is chemically represented as_____________________?
Triple superphosphate is chemically represented as_____________________?A. CaF2.3Ca3(PO4)2
B. 3Ca3(PO4)2
C. Ca(PO3)2
D. Ca(H2PO4)2Fertiliser plants get their N2 requirements _____________________?
Fertiliser plants get their N2 requirements _____________________?A. By fractionation of liquefied air
B. By dissociating oxides of nitrogen
C. From coal gas (coke oven gas)
D. From producer gasP2O5 content in triple superphosphate is about ______________ percent?
P2O5 content in triple superphosphate is about ______________ percent?A. 42-50
B. 15-20
C. 85-90
D. 70-75Steam reforming of naphtha produces ammonia synthesis gas. This is a/an ____________ process?
Steam reforming of naphtha produces ammonia synthesis gas. This is a/an ____________ process?A. Autocatalytic
B. Endothermic
C. Exothermic
D. Non-catalytic