The pH of the soil solution determines

A. Active acidity

B. Exchange acidity

C. Total acidity

D. None of these

Answer: Option A

Solution(By Examveda Team)

The pH of soil solutions determines active acidity. However, soil pH is a measure of the concentration of hydrogen ions in the soil solution.
Whereas active acidity is the number of hydrogen ions that are available in the soil water solutions undergoing pH tests.