Heating of ortho-phosphoric acid to about 900°C, produces_________________?

Related Mcqs:

Nitric acid is produced on commercial scale in a fertiliser plant by___________________?

A. Oxidation of ammonia B. CaNO3 + H2SO4 reaction C. Passing air through high voltage electric arc D. None of these...

Lower temperature and large excess of ammonia in urea melt__________________?

A. Increases biuret formation B. Decreases biuret formation C. Is undesirable D. Does not effect biuret formation...

Catalyst used in the manufacture of NH3 by Haber’s process is finely divided________________?

A. Nickel B. Iron C. Vanadium pentoxide D. Alumina...

A Potassic fertiliser contains 50% K2O. It could be _________________?

A. Potassium sulphate B. Potassium chloride C. A mixture of NaCl + KCl D. None of these...

Dehydration of ammonium carbamate to yield urea is a/an __________________ reaction?

A. Exothermic B. Endothermic C. Autocatalytic D. Catalytic...