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5 June, 23:15

Which of the following is a chemical reaction?

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Answers (2)
  1. 6 June, 00:16
    0
    A chemical reaction happens when two chemicals mix, causing something to happen

    example: hydrogen and oxygen combining to make H2O

    not an example: ice melting to make water
  2. 6 June, 01:48
    0
    Digestion of food

    Explanation:

    Chemical digestion is considered a chemical change because enzymes in the stomach and intestines break down large macromolecules into simpler molecules so that the body can more easily absorb the food.
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