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Environmental Issues
Ozone depletion by CFCs
1 question from 1 paper, each with its answer.
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All Questions
2018 1 question
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In stratosphere, which of the following elements acts as a catalyst in degradation of ozone and release of molecular oxygen?
Cl atoms from CFCs catalytically destroy ozone.
UV rays act on CFCs, releasing Cl atoms; chlorine reacts with ozone in a sequential (catalytic) manner, converting it into oxygen. Carbon, oxygen and Fe are not related to ozone layer depletion.