What causes hydrogen peroxide to fizzle when it comes in contact with an infecte!

Question: Some bacteria contain a certain enzyme called catalase that breaks down H2O2 to H2O and O2. The fizz is the release of the oxygen gas.

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Answers: Some bacteria contain a certain enzyme called catalase that breaks down H2O2 to H2O and O2. The fizz is the release of the oxygen gas.

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Hydrogen peroxide readily breaks down into water and oxygen when placed in contact with something it can react with. For example, if you pour hydrogen peroxide on a wound you will see a fizzle similar to bubbles that appear when soda pop is poured into a glass. Those bubbles on the wound are oxygen.

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