Chemistry

Sue

16 May, 01:29

A piece of metal is dropped into a solution of acid. Using a sharp probe, the metal is broken into smaller pieces while in the solution. Also while in the solution, some of the metal reacts, producing hydrogen gas. Which statement is true about the changes that have occurred? A. Only physical changes have occurred. B. No physical or chemical changes have occurred. C. Only chemical changes have occurred. D. Physical and chemical changes have occurred.

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