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AQA A Level Chemistry Exam questions and answers Graded A+ latest update state why the ozone layer is beneficial for living organisms. - absorbs harmful UV radiation state how chlorofluorocarbons (CFCs) form chlorine atoms in the upper atmosphere. -
Preview 2 out of 11 pages
AQA A Level Chemistry Exam questions and answers Graded A+ latest update state why the ozone layer is beneficial for living organisms. - absorbs harmful UV radiation state how chlorofluorocarbons (CFCs) form chlorine atoms in the upper atmosphere. - C-Cl bonds are broken give equations to show how chlorine atoms catalyse the decomposition of ozone. - O3 + Cl•
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