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When a single compound breaks down into two or more simpler substances on heating, what is the reaction called?

Answer and explanation

Correct answer: Thermal decomposition

A reaction in which one compound breaks down into two or more simpler substances is a decomposition reaction. When heat is supplied to cause this decomposition, it is called thermal decomposition. For example, on heating, calcium carbonate breaks down into calcium oxide and carbon dioxide. Photolytic decomposition requires light energy rather than heat.

Related tags

ScienceClass10Chemical-ReactionsDecomposition-ReactionThermal-DecompositionChemical-Equations

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