Physical because it is still Oxygen. A chemical change results in a chemical equation and thus a new substance. No new substance = no chemical change. Liquefaction is a physical property.
The process of burning in the presence of oxygen is that of a chemical change. It is a chemical change and not a physical change because the prodects do not have the same properties as the reactants.
I would think it to be a Physical Change. Not chemical.
Yes it is chemical because the sun is producing food by causing chemicals and substances
no rusting iron is not a physical change it is a chemical change
Chemical. The hydrogen peroxide breaks down into water and elemental oxygen. Two new substances are created.
This is a chemical change.
It is a physical change.
That would be a chemical change.
This is a chemical change.
Oxygen is a chemical element, so its presence does not involve a chemical change. It undergoes physical changes such as changes in state (gas to liquid) based on temperature and pressure.
The process of burning in the presence of oxygen is that of a chemical change. It is a chemical change and not a physical change because the prodects do not have the same properties as the reactants.
Oxidation is a chemical process.
This is a chemical reaction; oxygen is released.
This is a chemical change.
Chemical change, oxygen binds with iron.
The change of oxygen from a gas to a liquid is a physical change, as the substance itself remains the same chemically. The physical change involves altering the state of the molecules without changing their chemical composition.
Dissolving in water is a physical change.