Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of ____________ this is normally not done?

Related Mcqs:

Reaction of anhydrous liquid ammonia with ortho-phosphoric acid produces____________________?

A. Ammonium phosphate B. Superphosphate C. Triple superphosphate D. None of these...

During nitric acid manufacture, catalytic oxidation of ammonia at 800°C in presence of platinum catalyst produces nitrogen oxide. Conversion of NH3 to NO is about ______________ percent?

A. 38 B. 68 C. 82 D. 98...

Out of the following, N2 content is minimum in_____________________?

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

Reaction of ortho-phosphoric acid with phosphate rock produces _________________?

A. Superphosphate B. Triple superphosphate C. Meta-phosphoric acid D. Monoammonium phosphate...

Pick out the wrong statement?

A. Yellow phosphorous which is the most reactive allotropic form of phosphorous is transported under water B. Apatite is the principal material present in phosphate rock which is chemically Ca10 (PO4)6 (F, Cl, OH) C. Urea is more hygroscopic than ammonium nitrate D. Nitrogen fixation means the process of bringing atmospheric nitrogen into combination i.e. … Pick out the wrong statement?Read More...