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Choose all the true statements concerning the law of conservation of mass: a) when ice melts, mass is gained since water is more dense than ice. b)2h2+ o2 → 2h2o is a balanced equation c) a chemical change does not follow the law of conservation of mass d)a physical change does follow the law of conservation of mass e)a pencil breaking is an example of a physical change
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Choose all the true statements concerning the law of conservation of mass: a) when ice melts, mass...
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