Question

Why is respiration considered a chemical change?​

Answer 1

Answer:

In the oxidation of glucose, carbon dioxide and water are formed. As new products are formed of different composition and characteristics, the respiration is considered as a chemical change.

Explanation:

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Answer 2

Answer:

Because the oxidation of glucose turns into carbon dioxide and water as a result of respiration. CO2 and H2O form as the final products and cannot change back into glucose, therefore it's a chemical change.