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    Question

    What would be the pH value of a solution that turns blue

    litmus paper red?
    A Below 7 Correct Answer Incorrect Answer
    B Exactly 14 Correct Answer Incorrect Answer
    C Above 7 Correct Answer Incorrect Answer
    D Exactly 7 Correct Answer Incorrect Answer

    Solution

    The pH scale measures the acidity or alkalinity of aqueous solutions. When a solution turns blue litmus paper red, it indicates acidic properties. Acidic solutions always have a pH value less than 7, with stronger acids having lower values on the scale.

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