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If you bend a paper clip it is a physical change because it is still a paper clip. It's chemical identity has not changed. In a chemical change, the chemical identity of a substance changes. For example, if the paper clip were made of steel and rusted, then it's chemical identity would change to include oxygen chemically bonded to the metal, iron oxide.
Wiki User
∙ 12y ago
Wiki User
∙ 13y agoMolecules permanently change. In a physical change the effects are reversible.
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Is Cleaning a painted surface with acid a chemical or physical change?
Chemical broooooooooooooooo niga
Is peeling an apple a physical or chemical change?
it is a chemical change
Is crushing charcoal into powder a physical or chemical change?
Chemical I think
Is a wet handkerchief is physical or chemical change?
physical as the chemical structure does not change.
Is melting chocolate a chemical or physical reaction?
It is a physical state change from a solid to a liquid. It is not a chemical change, unless other ingredients are then added when melted - as usually happens when used in cooking, for instance.
How does chemical change happens in photosynthesis?
it happens when •A physical change is reversible, a chemical change is not.•the freezing of water would be a physical change because it can be reversed, whereas the burning of wood is a chemical change - you can't.
What kind of change happens when a brick crumbles Physical or chemical?
It is a physical change.
What happens in a chemical change but not in a physical?
Molecules permanently change. In a physical change the effects are reversible.
What happens when a chemical change take place?
When a chemical change happens, a physical property is change. A physical property something that you could use to describe something or someone with your senses.
What happens with the sulfuric acid and is it a chemical change or physical change?
The chemical reactions of sulfuric acid are chemical changes.
Frying an egg physical or chemical?
It is a chemical change because it is irreversible and the change happens on a molecular level.
Is a physical change what happens when chemical bonds break and new bonds form?
NO, that's an example of a CHEMICAL change
Is Cleaning a painted surface with acid a chemical or physical change?
Chemical broooooooooooooooo niga
Is peeling an apple a physical or chemical change?
it is a chemical change
Is crushing charcoal into powder a physical or chemical change?
Chemical I think
Is a wet handkerchief is physical or chemical change?
physical as the chemical structure does not change.
Is melting chocolate a chemical or physical reaction?
It is a physical state change from a solid to a liquid. It is not a chemical change, unless other ingredients are then added when melted - as usually happens when used in cooking, for instance.
