Fertiliser Technology
Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of __________ this is normally not done.

All of these
Increased biuret formation
High corrosion rate
Increased cost of equipment

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Fertiliser Technology
Ammonium nitrate is

Not hygroscopic
Mixed with limestone powder to reduce its explosive nature before using it as a fertilizer
Not prone to explosive thermal decomposition
Having about 40% Nā‚‚

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