A chemical equation can be used to describe a chemical change. For instance when iron combines with oxygen to form iron (III) oxide (rust), a chemical change has occurred. It can be written as a chemical formula:
4 Fe + 3 O2 --> 2 Fe2O3
Weathering is the term used to describe the reduction in the size of a rock by chemical or physical means.
This is true.
Chemical change
it is a physical change
chemical equation
A chemical bond breaking.
(aq)
combustion
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.
melting point
Cutting is a physical process.
yes it is a chemical change