Reaction of ______________ acid with phosphate rock produces superphosphates?

Related Mcqs:

-10-5 fertilisers mean that they contain______________?

A. 5, 10, 5% respectively of N2, P2O5 and K2O B. Only 5 to 10% active fertiliser constituents C. 5 to 10% filler & carrier of soil conditioners 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 of the following does not come under the category of ‘secondary nutrient’ for plant growth ?

A. Calcium B. Magnesium C. Sulphur D. Oxygen...

Potassic fertilisers do not promote the development of ______________________?

A. Stems & leaves during early stage of plant growth B. Starches of potatoes & grains C. Sugar of fruits & vegetables D. Fibrous materials of plants...