Multiple Choice Questions on Bases turn red litmus blue and acids turn blue litmus red A student tested a liquid with a red litmu........... for UPSC EPFO Exam Preparation

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    Bases turn red litmus blue and acids turn blue litmus red. A student tested a liquid with a red litmus paper and it stayed red with no change. This shows that the liquid

    must be pure water

    Correct Answer

    must be an acid

    Incorrect Answer

    is not a base

    Incorrect Answer

    is neither a base nor an acid

    Incorrect Answer
    Explanation:

    Bases turn red litmus blue and acids turn blue litmus red. A student tested a liquid with a red litmus paper and it stayed red with no change. This shows that the liquid must be pure water


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