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9th Class Science Atoms and Molecules Question Bank Atoms and Molecules

  • question_answer
    All samples of pure water contain hydrogen and oxygen in the mass ratio of\[1:8\].To which of the following laws does the above statement is in agreement?

    A)  Law of conservation of mass

    B)  Law of constant proportion  

    C)  Law of multiple proportion

    D)  Law of definite proportion

    Correct Answer: B

    Solution :

     All pure samples of water contain hydrogen and oxygen in fixed mass ratio of\[1:8\]. This is in agreement with the law of constant proportion.


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