how does a pH scale works ?
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- The pH scale measures how acidic or basic a substance is. ... A pH less than 7 is acidic. A pH greater than 7 is basic. The pH scale is logarithmic and as a result, each whole pH value below 7 is ten times more acidic than the next higher value.
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A pH scale measure how acidic or basic a substance is .
A pH less than 7 then the substance is acidic and if the pH is at 7 the substance is neutral. if the pH is greater than 7 then the substance is basic .
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