what is meant by PH level
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A measure of acidity or alkalinity of water soluble substances (pH stands for 'potential of Hydrogen'). A pH value is a number from 1 to 14, with 7 as the middle (neutral) point. Values below 7 indicate acidity which increases as the number decreases, 1 being the most acidic
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pH level is a number from 1 to 14 with 7 as the middle point values below 7 indicate acidity which increases as the number decrease, 1 being the most acidic
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