10th Class Science Chemical Reactions and Equations Question Bank Chemical Reactions and Equation

  • question_answer
    Which of the following conditions is necessary for a chemical reaction?

    A) It must be accompanied with change in temperature and pressure.

    B) At least one of the reactants must be in a fixed quantity.

    C) It must follow the law of conservation of mass.

    D) All of the above

    Correct Answer: C

    Solution :

    A chemical reaction must follow the law of conservation of mass.


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