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Chemical Reactions and Equations — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceChemical Reactions and Equations2 Marks
Question
Name one reaction which is accompanied by the evolution of heat.
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Answer

All reactions which are Exothermic are accompanied by evolution of heat. One such example is burning of methane. Reaction is as Follows:

$\text{CH}_4(\text{g)}+2\text{O}_2\text{(g)}\rightarrow\text{CO}_2\text{(g)}+2\text{H}_2\text{O}\text{(g)}$

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