physical or chemical ? Flashcards | QuizletTraduire cette page
grinding chalk into powder. physical. dissolving salt into water. physical. reacting zinc with acid. chemical. tearing a piece of paper. physical. creating compounds. chemical . stretching copper into wire. physical. burning gasoline. chemical. hammering good into foil. physical. melting ice. physical. digesting food. chemical. decaying plants/animals. chemical. making hydrogen from water ...
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