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Agriculture · Q555

Soil Science

Graduate and Post Graduate · Agriculture · question 555

Q555

Equivalent acidity of urea in

A.
60
B.
80
Answer
C.
110
D.
128

Answer: Option B

Solution

Answer: Option B
Solution:
Equivalent acidity is defined as the acidity developed by a fertilizer when applied to soils, measured in terms of calcium carbonate required for its neutralization.
Equivalent mass of acid or equivalent acidity = molecular mass of the acid/basicity.
The equivalent acidity of urea is 80.