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7th Class Science Acids, Bases and Salts / अम्ल, क्षार एवं लवण Question Bank Self Test-4

  • question_answer
    Dark blue is the colour of indicator on dissolving into which one of the following solution?

    A)  Sulphur

    B)  Ammonia

    C)  Oxygen

    D)  Hydrogen

    E)  None of these

    Correct Answer: B

    Solution :


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