. Regular use of which of the following fertilizers increases the acidity of soil
A. Superphosphate of lime
B. Ammonium sulphate
C. Potassium nitrate
D. Urea
Best Answer
Ans: B
Sol: (NH4)2 SO4 is a salt of strong acid and weak base, on hydrolysis it ill produce H+ ion. This will increase the acidity of soil.
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