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Catalase breaks down hydrogen peroxide into water and oxygen. Catalase is found in blood and bacteria in the wound. The bubbles you see are from the oxygen that is being released.
Wiki User
∙ 14y ago
Wiki User
∙ 12y agochemical - the peroxcide is combineing with the bacteria witch makes it bubble up
Wiki User
∙ 11y agoIt is a chemical change because it has chemicals in it.
Hydrogen Peroxide is a chemical.
Wiki User
∙ 13y agoYES
Wiki User
∙ 12y agochemical
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If making ammonia from nitrogen and hydrogen A chemical or physical change?
chemical..
Is hydrogen burns in chlorine gas chemical or physical change?
When you combust hydrogen in air, the hydrogen will combine with oxygen to form water. Therefore, the hydrogen and oxygen are undergoing a chemical change to become bonded together producing H2O: 2H2 + O2 → 2H2O + Heat
It reacts with hydrogen to form a gas. Is it a chemical or physical property of sulfur?
it is chemical change
When placed in H2O a sodium pellet catches on fire as hydrogen gas is liberated and sodium hydroxide forms chemical or physical change?
It is a Chemical change
Is scrubbing the floor a physical or chemical change?
It is a physical change.
Is Hydrogen peroxide fizzing when applied to a wound physical or chemical change?
chemical
Why is water change to hydrogen peroxide a chemical change?
Water - H2O; Hydrogen peroxide - H2O2. It is a change of chemical formula , it is another type of molecule.
Is the element hydrogen and oxygen combine to form hydrogen peroxide a chemical change?
Yes it is.
Is a cut healing a physical or chemical change?
Chemical. The hydrogen peroxide breaks down into water and elemental oxygen. Two new substances are created.
Is does not react with hydrogen a physical or chemical change?
Chemical
Is combining hydrogen and oxygen a physical change or a chemical change?
This is a chemical change.
When an object does not react with hydrogen is that a chemical change or physical change?
Easy, chemical change.
Is hydrogen burning a physical or chemical change?
burning in presence or absence of oxygen is a chemical change.
Is a reacts with an acid to from hydrogen physical or chemical?
chemical change
When hydrogen peroxide is poured on a cut on a persons skin the hydrogen peroxide breaks down into water and oxygen gas what type of change is this?
This is a chemical reaction. A decomposition reaction.
Is the dissolving salt in water a chemical or physical change?
It is a chemical change because of sodium and hydrogen bonds forming
Dissolution of hydrogen chloride gas in water is a physical change or chemical change?
It is a chemical change ....
