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Is combining hydrogen and oxygen a physical change or a chemical change?
This is a chemical change.
Is oxygen a chemical change or a physical?
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.
Is heating mercuric oxide a physical or chemical change?
This is a chemical reaction; oxygen is released.
Reaction with oxygen is a physical or a chemical change?
Oxidation is a chemical process.
Is a sugars and oxygen in the muscles producing lactic acid physical or chemical change?
This is a chemical change.
Is steam condenses on a cold window chemical change?
No, condensation of steam on a cold window is a physical change, not a chemical change. The water vapor in the steam undergoes a change in state from gas to liquid as it loses heat energy to the cold window, but the water molecules themselves remain unchanged.
Is The condensation of oxygen gas a physical change?
Yes it is. It changes from the state of Gas to liquid oxygen. changing from gas to liquid to solid are all physical changes(states of matter).
Is Condensation a physical of chemical change?
No, this is not a chemical change. It is a physical change because a physical change does not produce a new substance. A change in state like melting, freezing, condensation are physical change.
When oxygen is liquefied is it a physical or chemical change?
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.
Is combining hydrogen and oxygen a physical change or a chemical change?
This is a chemical change.
If leaves producing oxygen a chemical or physical change?
That would be a chemical change.
Is Oxygen and hydrogen combining to form water physical or chemical change?
This is a chemical change.
Is oxygen a chemical change or a physical?
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.
Is burns in the presence of oxygen physical or chemical change?
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.
Is heating mercuric oxide a physical or chemical change?
This is a chemical reaction; oxygen is released.
Reaction with oxygen is a physical or a chemical change?
Oxidation is a chemical process.
Is a sugars and oxygen in the muscles producing lactic acid physical or chemical change?
This is a chemical change.
