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9th Class Science Is Matter Around Us Pure Question Bank MCQs - Is Matter Around us Pure

  • question_answer
    Which of the following is considered to be a pure substance?

    A) Sodium chloride

    B) Muddy water

    C) Granite

    D) Milk of magnesia

    Correct Answer: A

    Solution :

    [a] Sodium chloride is a pure substance because it has fixed composition (1:1) and other given options are mixtures.


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