Define physical changeand chemical change.State which type of change occurs in each of the following statements:(a) Passing an electric current through molten magnesium chlo-ride yields molten magnesium and gaseous chlorine.(b) The iron in discarded automobiles slowly forms reddishbrown, crumbly rust.

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Chapter1: Chemical Foundations
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Define physical changeand chemical change.State which type of change occurs in each of the following statements:(a) Passing an electric current through molten magnesium chlo-ride yields molten magnesium and gaseous chlorine.(b) The iron in discarded automobiles slowly forms reddishbrown, crumbly rust.

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