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    Question

    When acid is added to the indicator- methyl orange, what

    is the color observed?
    A Green Correct Answer Incorrect Answer
    B Blue Correct Answer Incorrect Answer
    C Red Correct Answer Incorrect Answer
    D Yellow Correct Answer Incorrect Answer

    Solution

    Methyl orange is a pH indicator frequently used in titration because of its clear and distinct colour variance at different pH values. Methyl orange shows red colour in acidic medium and yellow colour in basic medium. It is orange in neutral medium. Acidic Ph range is 1-7 and basic ph range is 7-14. 7 is the neutral value. Hence, option C is correct.

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