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10th Class Science Metals and Non-metals / धातु और अधातु Question Bank Metals and Non-metals

  • question_answer
    Which of the given metals is stored under kerosene to prevent oxidation?

    A) Copper                               

    B) Potassium                         

    C) Magnesium                      

    D) Calcium                              

    Correct Answer: B

    Solution :

    Potassium and Sodium react vigorously with oxygen in air and catch fire. These metals are stored under kerosene oil to prevent oxidation.


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