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Chemical Changes and Reactions — CHEMISTRY STD 9 — Question

ICSE BoardEnglish MediumSTD 9CHEMISTRYChemical Changes and Reactions2 Marks
Question
Define:
Electrochemical reaction
Give one example
✓

Answer

It is a reaction which occurs with absorption of electrical energy.
Example:
Acidulated water breaks into hydrogen and oxygen.
$2 \mathrm{H}_2 \mathrm{O} \xrightarrow{\text { Electricity }} 2 \mathrm{H}_2+\mathrm{O}_2$

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