Action of phosphoric acid on rock phosphate 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...

Reaction of Cresylic acid with _____________ produces Tricresyl phosphate?

A. Phosphorous pentoxide B. Phosphorous oxychloride C. Ammonium phosphate D. Calcium phosphate...

P2O5 content in superphosphate is about _____________ percent?

A. 30-35 B. 15-20 C. 65-70 D. 85-90...

Which is the best fertiliser for paddy ?

A. Ammonium sulphate B. Nitro-phosphate C. Superphosphate D. Potassium nitrate...

In an ammonia plant, the purge off is essential to___________________?

A. Maintain inert gas concentration within a limit B. Remove excess poisonous gases C. Maintain H2 : N2 ratio at 3 :1 D. Remove uncondensed ammonia vapour...