The main constituent of rock phosphate is _____________________?

Related Mcqs:

Multistage operation (as in the case of catalytic oxidation of SO2) is not carried out for NH3 synthesis, because of____________________?

A. Comparatively higher pressure drop B. High cost of the high pressure vessel used for the reactor C. Higher pumping cost D. Chances of entrainment and disturbance of catalyst bed...

Which is the most suitable fertiliser for paddy ?

A. CAN B. Ammonium sulphate C. Ammonium nitrate D. Superphosphate...

Which of the following fertilisers is needed for promoting the development of leaves and stems during early stages of plant growth ?

A. Nitrogenous fertiliser B. Potassic fertiliser C. Phosphatic fertiliser D. None of these...

Catalyst used in the oxidation of ammonia is ________________?

A. Platinum-beryllium B. Platinum-rhodium C. Cobalt-molybdenum D. Platinum-molybdenum...

Pick out the wrong statement?

A. Loamy soil is the best soil for vigorous plant growth, while the clayey soil is solid and hence the plant roots penetrate with difficulty B. Large excess use of nitrogenous fertiliser in land causes the problem of diarrhoea and cyanosis C. Application of large excess of Potassic fertiliser in soil increases the valuable carotene … Pick out the wrong statement?Read More...