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How did refrigerator manufacturers start to phase out the use of CFCs?
most manufacturers converted to foams using HCFC-141b as the blowing agent. HCFCs are an ozone depleting substance (ODS), but considered much less so than CFCs and so were singled out as the best transition blowing agent
How do you get rid of cfcs?
By using HFCs ,that is , hydroflourocarbon.
Do polystyrene containers play a part in the thinning of ozone layer?
At one time, polystyrene foam was blown using CFCs as stable gases for initially filling the little voids in the foam. The CFCs would later diffuse into the atmosphere. Polystyrene foams in most countries are not blown using CFCs as a blowing agent today.
Can rain demolish CFCs?
CFCs are neither soluble in water or reactive with it. Rain has no impact on 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.
Is graffitti bad for the envionment?
If the graffiti was done using a spray paint. CFCs are emitted when you use a can of spray paint.
What was the amount of cfcs from the 1900s and the prediction in 2050?
The amount of CFC's was not there in 1900. It began increasing. 2050 depends on how we continue using it.
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 are humans contributing to the thinning of the ozone layer?
By using CFCs such as aerosols, old fridges, air-conditioning units and polystyrene foam
What is the term for gases produced by aerosols and manufacturing that destroy the ozone layer?
chlorofluorocarbons (CFCs) "ozone depleting substances" are more generic, since other chlorine- and bromine-containing molecules, which are produced by Man, have been found "up there" too. Note that CFCs are not "produced by aerosols", but were intentionally manufactured for the purposes of refrigerant and propellant. Not too many countries are still making / using CFCs.
