A soil may be called as alkaline when the pH of the soil is more than?

A. 6.5
B. 5.5
C. 7.0
D. 5.0

Correct Answer: Option C

C. 7.0

Explanation

A soil may be called as alkaline when the pH of the soil is more than 7.0 pH scale than is less than 7.0 is acidic while pH scale that is greater than 7.0 is alkaline. pH scale that is equal to 7.0 is neutral. Therefore, choice C is correct.