It is a chemical change because ozone gives oxygen after breaking down and oxygen is different down ozone.
The breaking down of ozone is a chemical change or a physical change.
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The breaking down of ozone is a chemical change or a physical change.
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If you leave a piece of iron in the open for a few days, it acquires a film of brownish substance, called rust. a. Do you think rust is different from iron? b. Can you change rust back into iron by some simple methods? c. Do you think formation of rust from iron is a chemical change? d. Give two other examples of a similar type of change.
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