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    Question

    Which of the following is a characteristic property of

    acids ?
    A Have a pH greater than 7 Correct Answer Incorrect Answer
    B Turn blue litmus paper red Correct Answer Incorrect Answer
    C Turn red litmus paper blue Correct Answer Incorrect Answer
    D More than one of the above Correct Answer Incorrect Answer
    E None of the above Correct Answer Incorrect Answer

    Solution

    Acids turn blue litmus paper red due to their acidic nature. (A) Have a pH greater than 7: acids have a pH less than 7. (C) Turn red litmus paper blue: this is a property of bases. (D) More than one of the above: only option (B) is correct.

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