The pH of Hardened Concrete is

The pH of hardened concrete is

[A] 12.5 to 13.5
[B] 11 to 12
[C] 11.5 to 12.5
[D] 7 to 8

ANSWER = [A] 12.5 to 13.5
Explain:- Correct answer for the question The pH of hardened concrete is [A] 12.5 to 13.5

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