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MATTER (Matter which belongs to a mixture can be separated into its…
MATTER
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In a chemical reaction 2 or more substances combine chemically. Some types os chemical reactions are:
Oxidation: is a reaction that happens when some metal substances (iron, steel...), combine with oxygen
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Fermentation: is a reaction in which an organism such as bacteria or yeast, changes sugar and carbohydrates into alcohol or acid.
Combustion: consists in burning oxygen with a fuel (wood, coal, petrol...)
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