Yield of elemental phosphorous from rock phosphate is about _____________ percent?

Related Mcqs:

Nitrogen content of a nitrogenous fertiliser is 35%. It could be___________________?

A. Urea B. Ammonium nitrate C. Calcium ammonium nitrate (CAN) D. Ammonium sulphate...

Urea is formed only____________________?

A. In liquid phase B. In vapour phase C. At very high temperature D. At very low pressure (vacuum)...

Dehydration of ammonium carbamate (to produce urea) is a/an _____________ reaction?

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

Formation of ammonium carbamate by reaction of NH3 with CO2 is a/an ______________ reaction?

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

Pick out the wrong statement ?

A. Nitrogen is normally supplied in fertiliser either in Ammoniacal or the nitrate form, from which the soil takes it up in the form of ammonium ions or nitrate ions and forms amino acids B. Calcium present in the fertiliser helps in correcting the soil acidity C. Particle size range of a good granular fertiliser … Pick out the wrong statement ?Read More...