7th Class Science Acids, Bases and Salts Question Bank Acids, Bases and Salts

  • question_answer 90) A solution turns red litmus blue, its pH is likely to be

    A)  1                                

    B)  4

    C)  5                                

    D)  10

    Correct Answer: D

    Solution :

    Since, it turns red litmus blue, so it is a base therefore, pH should be > 7.

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