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OpenStudy (anonymous):
Plz Help: Which of the following represents a chemical change?
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OpenStudy (anonymous):
A. rocks being smoothed by rapid water movement B. the pink color of a rose C. irons attraction to a magnet D. decomposition of stone due to acid rain
OpenStudy (anonymous):
Chemical change occurs when the composition of a material changes apart from the physical. hence the answer is D, because the stone had a given composition and as the acid actuated, it DECOMPOSED into something else, with a different and coincidently a weaker surface.
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