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Q.

The range of a pH scale is ____.

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Detailed Solution

concept - pH scale ranges from 1-14. The pH is a scale that defines whether a substance is acidic in nature or basic in nature.
pH 7 means the solution is neutral, pH less than 7 means the solution is acidic and pH more than 7 means the solution is basic.
The formula to calculate pH is.

pH = -log [H +]

Some acidic substances are- tomato juice, vinegar, sulphuric acid, and lemon. Low pH means a more acidic substance, and a pH slightly less than 7 means a weakly acidic substance.
Some basic substances are- ocean water, soap, baking soda, washing soda, ammonia, and bleach. High pH means a more basic substance, pH slightly more than 7 means a weakly basic substance.
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Hence, the range of a pH scale is 1-14.

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The range of a pH scale is ____.