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Which is a chemical reaction? wood burning ice melting salt dissolving water vaporizing

User Hongye Sun
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(Wood burning) is a chemical reaction 
User Phani Rahul
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a chemical reaction would be wood burning because new molecules are formed.
ice melting is not a chemical reaction because only the state of matter is changing from solid to liquid.and the others are not chemical reaction ( i don't have time to explain those, sorry!!)

User Ross Hambrick
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