Chemistry, 04.08.2019 11:30, starfox5454

Which of the following is a result of a physical change? 1. a newspaper burns when placed in a fire. 2. an iron chair rusts when left outside. 3. a sample of water boils and releases gas. 4. a plant changes carbon dioxide and water into sugar. 5. electricity is used to split water molecules into hydrogen and oxygen.

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Which of the following is a result of a physical change? 1. a newspaper burns when placed in a fir...