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8 September, 12:22

What are some causes of chemical changes?

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  1. 8 September, 13:06
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    A chemical change occurs when a new substance is formed through a chemical reaction like when fruit ripens or rots. When something undergoes a "chemical reaction" and a new substance is formed as a result, we call this chemical change. In some instances, simply applying heat can cause a chemical change.
  2. 8 September, 15:17
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    I think air is one of them
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