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

  • question_answer ............... is an acid-base indicator, its colour is yellow in basic medium and pink in acidic medium.

    A) Phenolphthalein

    B) Methyl orange

    C) Litmus

    D) Both (a) and (b) are correct

    Correct Answer: B

    Solution :

    Methyl orange shows yellow colour in basic medium and pink colour in acidic medium.


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