Fertiliser Technology
Though kinetics of ammonia synthesis dictates the use of low temperature for high equilibrium conversion, yet it is kept moderately high (550°C), because at low temperature

Very high pressure is required resulting in costly pressure vessel
Space velocity of gas is very low resulting in decreased conversion
None of these
Rate of reaction is very low

ANSWER DOWNLOAD EXAMIANS APP

Fertiliser Technology
Nitrogenous fertiliser is required

None of these
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

ANSWER DOWNLOAD EXAMIANS APP