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

  • question_answer 9) Which of the following statements is correct7

    A)  Acids turn blue litmus red.

    B)  Bases turn red litmus blue.

    C)  Water changes the colour of a litmus.

    D)  Both (A) and (B)

    Correct Answer: D

    Solution :

    Acids turn blue litmus to red while bases turn red litmus to blue.

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