Fertiliser Technology
In ammonia synthesis (N₂ + 3H₂ = 2NH₃), there is a decrease in total volume, hence to get high equilibrium conversion, the reaction should be carried out at

Low pressure
High pressure
Atmospheric pressure; as the pressure has no effect on conversion
Very high temperature

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Fertiliser Technology
Phosphatic fertilisers

Accelerate fruit formation in later stages of growth
Lessen the effect of excessive nitrogen application
None of these
Are useful during early stage of the plant growth

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