Answer:
pH scale is used for acidic/basic/neutrality of a aqueous solution.
Step-by-step explanation:
pH value varies from 0 to 14
below 7 pH indicate acidic nature
at 7 pH indicate neutral nature
above 7 pH indicate basic nature
The pH scale measures the acidity or alkalinity of a substance. A pH value below 7 indicates acidity, with lower values representing stronger acidity.
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