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Mixture
99,99999 % purity
saf
This is known as a physical change
change in state
chemical change
energy
it will change to red colour
chemical propertieschemical propertieschemical properties
Mixture
there is only one kind of matter in a pure sustance
Temperature.
compound
Calcium
it can hury you. it can hury you.
The change from one state of matter to another is called a phase transition.
Change, specifically change from one thing into another.