what is pH value in physics
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A pH value is a number from 1 to 14 with 7 as the middle ( neutral point )
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Answer:-pH scale .A measure of acidity or alkalinity of water soluble substance (pH stands for potential of hydrogen).A pH value is no. from 1to 14 with 7 as the middle (natural) point value below 7 indicate acidity which increase as the no. decrease 1being the most acidic.
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