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

  • question_answer
    Which of the following obey the law of constant proportions in their formation?

    A)  Mixtures          

    B)         Compounds  

    C)  Elements          

    D)         Colloids

    Correct Answer: B

    Solution :

     A compound is formed by the combination of different elements in constant proportions.


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