9th Class Science Sample Paper Science Olympiad Model Test Paper-10

  • question_answer
    Certain mass of carbon burns with a given mass of oxygen to form certain mass of carbon dioxide. Which law of chemical combination is used in this process of formation of compound?

    A) Laws of constant proportion

    B) Laws of multiple proportion

    C) Laws of conservation of mass

    D) Gay Luassc's law

    E) None of these

    Correct Answer: A

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