10th Class Science Sample Paper Science Olympiad Model Test Paper-19

  • question_answer
    Which of the following statements is incorrect about metal?

    A) Metals are generally good conductor of heat and electricity

    B) Magnesium metal reacts with oxygen at room temperature

    C)  Sodium reacts vigorously with cold water to form sodium hydroxide and hydrogen gas

    D)  Magnesium does not react with cold water

    E)  None of these

    Correct Answer: B


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