temperent6273 temperent6273

17-10-2017
Chemistry

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Which is not an example of a state change? wood burning in a fire. water turning to steam. gold melting. carbon dioxide freezing into dry ice?

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magistercollege magistercollege

17-10-2017

The only example which is not a state change is wood burning into a fire, which is a chemical change. The remainder of the choices are all changes of state. e.g. changing between solid, liquid, and gas phases, with no chemical reaction.

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