what is mean by chemical equation and how many types are there in chemical equation and write example are there
Answers
Explanation:
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Answer:
A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulae, wherein the reactant entities are given on the left-hand side and the product entities on the right-hand side.
The five basic types of chemical reactions are combination, decomposition, single-replacement, double-replacement, and combustion.
Types of Chemical ReactionsExplanationGeneral ReactionCombination reactionTwo or more compounds combine to form one compound.
A + B → AB
Decomposition reactionThe opposite of a combination reaction – a complex molecule breaks down to make simpler ones.AB → A + B
Precipitation reactionTwo solutions of soluble salts are mixed resulting in an insoluble solid (precipitate) forming.A + Soluble salt B → Precipitate + soluble salt C
Neutralization reactionAn acid and a base react with each other. Generally, the product of this reaction is a salt and water.Acid + Base → Salt + WaterCombustion reactionOxygen combines with a compound to form carbon dioxide and water. These reactions are exothermic, meaning they give off heat.A + O2 → H2O + CO2
Displacement reactionOne element takes place with another element in the compound.A + BC → AC + B
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