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Exothermic reaction
Releaset heat energy
Endothermic reaction
Gets colder or heat is taken in
Thermal decompisition
The breakdown of a compound knto simoler substances by heating
Combustion
Substance reacts with air or oxygen giving out enough heat to keep the reaction going
Oxidation and reduction
Oxidation happens when a substance gains oxygen (carbon-> carbon dioxide )
Reduction happens when a substance loses oxygen (iron oxide-> iron)
Displacement reactions
Some more reactive metals can replace a less reactive metal in a compound
Methods: heating,placing a more reactive metal into the solution of a less reactive metal compound
Neutralisation reactions
An acid and a base react to form watwr and salt
Precipitation reactions
Two solutions are mixed together and produce an insoluble SOLID which forms a SUSPENSION
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