Which is a physical change? A) Rusting iron B) Burning paper C) Reacting baking soda and vinegar D) Separating a mixture of salt and wat

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Which is a physical change? A) Rusting iron B) Burning paper C) Reacting baking soda and vinegar D) Separating a mixture of salt and wat

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Tài Đức 3 months 2021-08-17T02:14:11+00:00 1 Answers 0 views 0

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    2021-08-17T02:15:58+00:00

    Answer:

    D

    Explanation:

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )