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Chemical Changes and Reactions — CHEMISTRY STD 9 — Question

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

Answer

It is a reaction which occurs with absorption of light energy.
Example: Photosynthesis
$6 \mathrm{CO}_2+6 \mathrm{H}_2 \mathrm{O} \longrightarrow \mathrm{C}_6 \mathrm{H}_{12} \mathrm{O}_6+6 \mathrm{O}_2$

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