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A process in which the chemical makeup of a substance is changed.
This process involve chemical reactions but also physical changes.
Chemical Property
The chemical composition is not changed during a physical process.
They can be reversed by physical changes...
The chemical composition is changed during this process.
A process in which the chemical makeup of a substance is changed.
This process involve chemical reactions but also physical changes.
A process in which reactants are changed into one or more different products
The processes are called chemical reactions.
Chemical Property
They could be chemical or (thermo)nuclear processes.
Basically if it can be changed back to its original state of matter it isn't a chemical reaction, and water vapor can be changed back through the process of condensation. Basically if it can be changed back to its original state of matter it isn't a chemical reaction, and water vapor can be changed back through the process of condensation.
Burning is a chemical process: the nature of the initial material is changed.
A chemical reaction means that when it has turned into the new substance it cannot be changed back. Once the compost has rotted it can't be changed back into eg: carrot shavings.
The answer is catalyst
The chemical composition is not changed during a physical process.