Question
a.
Yellow phosphorous which is the most reactive allotropic form of phosphorous is transported under water.
b.
Apatite is the principal material present in phosphate rock which is chemically Ca₁₀ (PO₄)₆ (F, Cl, OH).
c.
Urea is more hygroscopic than ammonium nitrate.
d.
Nitrogen fixation means the process of bringing atmospheric nitrogen into combination i.e. into nitrogen compound form.
Posted under Fertiliser Technology Basic Chemical Engineering
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