関連ワード:  is tearing a piece of paper a chemical change    is burning a piece of paper a chemical change    is ripping a piece of paper a chemical change    is tearing a sheet of paper a chemical change    is tearing up a piece of paper a chemical change    is tearing a piece of paper a chemical reaction    is burning a sheet of paper a chemical change    is tearing a piece of paper a physical or chemical change    is burning a piece of paper a chemical reaction    is burning a piece of paper a chemical or physical change  
結果 : is tearing a piece of paper a chemical change
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Chemical Changes...Is burning of paper a chemical reaction ???

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This is what happens when you burn paper

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chemical change - burning of paper

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