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WHAT IS PH VALUE? AND HOW TO USE ?
Answers (1)
pH stands for Potential of Hydrogen. pH is a measure of how acidic or basic a substance is. The range goes from 0 to 14, with 7 being neutral. pHs of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base. pH is really a measure of the relative amount of free hydrogen and hydroxyl ions in the water. The formula for pH is given below:
pH = - log [H3O+].
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