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CFC's are chlorofluorocarbons. They are made in industry for the use of refrigeration. Firstly they were thought of miracle compounds. But in 1985 everything changed when Dr. Farman and Dr. Mario Molina discovered that there is a hole in the layer of earth protecting us from the harmful UV radiation. The hole was due to these CFC's only. What these CFC's do is that are carried by westerly's to the poles. Due to the low temperature, they take polar stratospheric clouds as the base or catalysts and perform depletion. They decompose the ozone to form their oxide and that oxide again decomposes to form the original element. This is a chain reaction. A single CFC molecule can destroy over 100,000 molecules of ozone. The main sources of CFC's in day to day life are:
- Deodorants
- Air Conditioners'
- Aerosol Cans
- Spray Cans
- Vehicles Exhaust.
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What are 3 sources of the CFCs that destroy ozone molecules?
3 sources of CFC's are:Aerosol SpraysRefrigeratorsAir conditioners.
Can rain demolish CFCs?
CFCs are neither soluble in water or reactive with it. Rain has no impact on CFCs
What substitutes for CFCs came into being after scientists discovered that CFCs were harming the atmosphere?
Replacements for CFCs (dependding on use) included:HCFCsNitrogenAirPropane
Are CFCs are synthetic chemicals?
no.
Which is true about CFCs?
Deplete the ozone.
What percent of the sources of chlorine in the stratosphere are CFCS?
The answer is 69 %
What are 3 sources of the CFCs that destroy ozone molecules?
3 sources of CFC's are:Aerosol SpraysRefrigeratorsAir conditioners.
Can rain demolish CFCs?
CFCs are neither soluble in water or reactive with it. Rain has no impact on CFCs
What effect do CFCs have on the Earth's stratosphere?
CFCs (Chlorofluorocarbons)What type of substance is it?CFCs are a class of man-made chemicals, generally non-toxic, non-flammable, chemically unreactive, colourless liquids or gases that evaporate easily. They are a group of ozone depleting substances. They damage the Earth's ozone layer, which protects the earth's surface from harmful ultra-violet radiation. CFCs are also powerful greenhouse gases which contribute to global warming.How is it released?Release to the atmosphere is primarily from CFC-containing aerosols, refrigeration equipment and some foams. There are no natural sources of CFCs.
Are CFCs highly toxic?
Chlorofluorocarbons (CFCs) are non-toxic.
What substitutes for CFCs came into being after scientists discovered that CFCs were harming the atmosphere?
Replacements for CFCs (dependding on use) included:HCFCsNitrogenAirPropane
How are cfcs released?
CFCs or chlorofluorocarbons are released when a device that holds it is leaking. Also some aerosols release CFCs into the atmosphere.
How are cfcs used in aerosol?
CFCs were the compressed gas that was used as "spring" to push the can contents out of the container. CFCs have been replaced with HCFCs as a consequence of the Montreal Protocol.
How do cfcs affect air heath?
By the CFCs being sorced into the air, the sun is Breaking them down into the earth.
What is short for chloroflourocarbons?
CFCs
Are CFCs are synthetic chemicals?
no.
Is there a tree which can absorb CFCs?
no
