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JEE Main & Advanced Chemistry Some Basic Concepts of Chemistry / रसायन की कुछ मूलभूत अवधारणाएँ Question Bank Self Evaluation Test - Some Basic Concepts of Chemistry

  • question_answer
    Irrespective of the source, pure sample, of water always yields 88.89% mass of oxygen and 11.11% mass of hydrogen. This is explained by the law of

    A) conservation of mass

    B) multiple proportions

    C) constant composition

    D) constant volume

    Correct Answer: C

    Solution :

    [c] The H : O ratio in water is fixed, irrespective of its source. Hence it is law of constant composition.


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