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

  • question_answer
    Identify an alloy that is used in the making of pressure cooker.

    A) Magnalium       

    B) Duralumin                         

    C) AInico                                 

    D) Nickel steel                       

    Correct Answer: B

    Solution :

    Duralumin is an alloy of 95% aluminium as steel, 4% copper and 0.5% each of magnesium and manganese. It is used for making pressure cookers.


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