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Chemical Changes - Coggle Diagram
Chemical Changes
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Precipitation Reactions
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Precipitation is in process in which an insoluble solid is formed when two solutions are mixed. The insoluble solid formed is called a precipitate.
Oxidation Reactions
A substance may react with oxygen to form a new substance. When this happened, we say that the substance has undergone a chemical change called oxidation, and that the substance is oxidised.
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Combustion (Burning)
Combustion is the burning of substances (such as fuels) in oxygen. Heating is required for combustion to take place. During combustion, energy is released, usually in the form of heat and light.
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