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Types of Chemical Reactions — Science STD 10 — Question

Tamilnadu BoardEnglish MediumSTD 10ScienceTypes of Chemical Reactions1 Mark
Question
What is meant by decomposition reaction? Give an example.
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Answer

A single compound breaks down to produce two or more substances. Such type of reaction is called decomposition reaction.
$
CuCO _3 \stackrel{\Delta}{\longrightarrow} CuO + CO _2 \uparrow
$
Copper carbonate (green) Copper (II) oxide (black)

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