What are the types of chemical reactions?

There are several types of chemical reactions that occur when two or more substances interact with each other. The main types include synthesis or combination reactions, where two or more reactants combine to form a single product; decomposition reactions, where a single reactant breaks down into two or more products; displacement or replacement reactions, where one element is replaced by another element in a compound; double displacement reactions, where the cations and anions of two different compounds switch places; and combustion reactions, where a fuel reacts with oxygen to produce heat and often, light. Each type of reaction follows its own set of rules and can be identified based on the changes in chemical composition and energy transfer that occur.

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