no
its chemical change
yes
yes
Magnetizing is a physical change.
no
its chemical change
yes
yes
physical
bend a paper clip
Magnetizing is a physical change.
pysical change
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.
An atmosphere rich in oxygen, water, acids.
The paper clip was not discovered. It was invented.
The paper clip clings to the the magnet