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Question

Chlorine atom (Cl) destroys Ozone molecule (O3) – show with the help of a chemical reaction.

WBBSE Class X Physical Science Concerns about our Environment 01 Mark 2024

Answer

Chlorine reacts with ozone:

Cl + O3 → ClO + O2

Chlorine monoxide reacts with another ozone molecule:

ClO + O3 → Cl + 2O2

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