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Acidulous comes from Acid. It is also called acidic.

There are three states of acidity. pH (from potential of Hydrogen) is a measure of the acidity or alkalinity of a solution. Neutral (PH=7), Acidic (pH>7) and alkaline (pH<7) are these states.

It is a kind of norm which helps us to measure how “rusty” we are.

The pH value in a body is 7.35 to 7.45 which is slightly alkaline and that on the skin is 4.5 to 5.8 which is slightly acidic.

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