what is the pH scale?
Asked by | 15th Jan, 2012, 09:45: PM
The pH scale measures how acidic or basic the substance is.It ranges from 1 to 14.
The pH of neutral substance is 7,acidic substance is less than 7 and basic substance is more than 7.
Answered by | 16th Jan, 2012, 12:14: AM
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