pH

The measure of acidity or alkalinity of a substance. A pH value below 7 indicates that it is acidic, a pH value above 7 indicates that it is basic (alkaline). It can be measured by a pH meter, titration, or indicator (e.g. litmus) stripes.

pH

The measure of acidity or alkalinity of a substance. A pH value below 7 indicates that it is acidic, a pH value above 7 indicates that it is basic (alkaline). It can be measured by a pH meter, titration, or indicator (e.g. litmus) stripes.

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