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Chemistry, 10.02.2020 22:21 HybridShadow3942

Which answer includes all of the following that are physical changes and no chemical changes? I. the electrolysis of molten sodium chloride to produce metallic sodium and gaseous chlorine II. the solidification of mercury by cooling III. the reaction of hydrochloric acid with calcium carbonate IV. the mixing of water with ethyl alcohol V. cutting an iron bar into small pieces

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Which answer includes all of the following that are physical changes and no chemical changes? I. the...

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