Sentences with the phrase 'chemical change'

Looking for sentences with the phrase 'chemical change'? Here are some examples.

When matter undergoes a physical or chemical change there is also a transfer of energy.

Rigor mortis is a chemical change that takes place in the muscles of the deceased.

These studies have proven that when we laugh, there is an actual chemical change in our bodies that helps to ease pain, reduce stress and bring happiness.

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