How is the acidity of a substance deacribe using pH
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the substance that are acidic in nature have it's pH value less than 7
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The pH scale is used to rank solutions in terms of how acidic or how basic they are. It indicates the concentration of hydrogen ions (H+) and hydroxide ions (OH-) in a solution. ... This pH value of 7 is important because it indicates a neutral solution. All other substances are compared to this neutral point.
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