What is pH scale?

Asked by surbhi | 6th Apr, 2013, 11:00: PM

Expert Answer:

A pH scale is a measure of how acidic or basic a substance is. The pH scale formally measures the activity of hydrogen ions in a substance or solution, which approximates the concentration of hydrogen ions under low concentrations.

Answered by  | 7th Apr, 2013, 11:23: AM

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