C6 OCR Depletion of the Ozone 0.0 / 5 ? ChemistryThe earth and its atmosphereGCSEOCR Created by: BeckyssCreated on: 04-05-17 19:19 What does CFC stand for? Chlorofluorocarbons 1 of 9 What is a radical in Chemistry? A very reactive atom with one spare electron 2 of 9 What layer of the atmosphere is the ozone layer in? Stratosphere 3 of 9 What does ozone make when it reacts with chlorine radicals? Oxygen 4 of 9 Why are CFCs so bad? They deplete the ozone layer 5 of 9 Why were scientists excited when they discovered CFCs? They were inert 6 of 9 When were CFCs discovered? 1930s 7 of 9 How does the ozone layer block UV rays? It absorbs them 8 of 9 How long do CFCs last in the atmosphere? 20-50 years 9 of 9
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