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Which of the fallowing is a chemical change? A. Rocks being smoothed by rapid water movement. B. The pink color of a rose. C. Iron’s attraction to a magnet. D. Decomposition of stone due to acid rain.
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Which of the fallowing is a chemical change? A. Rocks being smoothed by rapid water movement. B. The pink color of a rose. C. Iron’s attraction to a magnet. D. Decomposition of stone due to acid rain.

User MKD
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It would be D. Because the stone became something completely different. A chemical change always has to do with something turning into something else. Physical change has to do with a only a change with the objects look, not with what the object is.
User Lenn Dolling
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