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    Question

    Box A has 10 g of gold and box B has 10 g of copper. 1 g

    of the material in B is added to A and mixed and 1 g of the resulting material in A is added to B and mixed. After this is done a few times, which of the following is true?
    A A has pure copper and B has pure gold Correct Answer Incorrect Answer
    B A gain has pure gold and B again has pure copper Correct Answer Incorrect Answer
    C A has slightly more gold than B Correct Answer Incorrect Answer
    D A has slightly more copper than B Correct Answer Incorrect Answer

    Solution

    The correct answer is C

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