Examples:
- the state of matter
- the chemical composition
- the chemical properties
- the physical properties
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A chemical change is when an obect change to a different kind of matter.
Changes of state of matter are physical processes, the molecule remain unchanged.
A chemical reaction is a change in which one kind of matter changes into a different kind of matter with different properties. Reactant is a substance used in a chemical reaction and a product is a substance made in a chemical reaction. Hope this is helpful! ;)
There are 2 kinds of changes,they are physical and chemical changes.Physical Change-is a change in the form of matter but in it's identity.Chemical Change-is a change in which one kind of matter is changed in to a different type of matter.
A change in some properties of matter without forming a different kind of matter is called a physical change. This can involve changes in state, shape, size, or appearance of the substance, but the chemical composition remains the same.