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

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

ANSWER DOWNLOAD EXAMIANS APP

Fertiliser Technology
Nitrogenous fertiliser is required

For accelerating fruit formation in later stage of growth
During the early stage of growth to promote development of stem and leaves
To lessen the effect of excessive potash application
None of these

ANSWER DOWNLOAD EXAMIANS APP