9. Ammonium nitrate (is mixed with limestone) is not used as fertiliser as such, because
o it is a liquid at room temperature
o it is hygroscopic and explosive in nature
o it is highly acidic in nature
o its nitrogen content is very less
Ans: B
o it is a liquid at room temperature
o it is hygroscopic and explosive in nature
o it is highly acidic in nature
o its nitrogen content is very less
Ans: B
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