Heating of ortho-phosphoric acid to 250°C produces___________________?

Related Mcqs:

Which one of the following is used as a nitrogenous fertiliser, as a weed killer in the onion fields and for correcting acidic soils ?

A. Urea B. CAN C. Ammonium sulphate D. Calcium cyanamide...

The concentration (weight %) of nitric acid produced by the oxidation of ammonia and absorption of nitrogen oxides with water is about ____________ percent?

A. 60 B. 30 C. 95 D. 100...

Out of the following, N2 content is minimum in_____________________?

A. Urea B. Ammonium nitrate C. Ammonium sulphate D. Ammonium chloride...

_____________ is not a fertiliser?

A. Calcium ammonium nitrate B. Ferrous sulphate C. Liquid ammonia D. Ammonium sulphate...

During conversion of ammonium carbamate into urea, presence of large excess of water______________?

A. Increases the yield of urea B. Adversely affects the yield of urea C. Reduces the evaporator load by diluting the urea solution D. Does not affect the yield of urea...