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

  • question_answer
    Which metals are used to make solder?

    A) Lead                                    

    B) Tin                        

    C) Copper                               

    D) Both (a) and (b)

    Correct Answer: D

    Solution :

    Solder is an alloy of lead and tin. It contains 50% lead and 50% tin.


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