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CFC's And Its Impact!!




With the Industrialization happening so rapidly, things getting changed with times, we have got no time for ourselves at least and not at all for our surroundings and this environment. But what has led to this drastic effect called ‘ Global Warming’? The answer is simple. Indirectly we can say that misuse of something or overuse will only lead to extinction or reduction. Therefore, as we all know that earth is surrounded by a protective layer called ozone layer which protects it from the harmful Ultraviolet rays coming from the sun. These Ultraviolet rays are really really harmful for all living organisms on earth and can cause diseases like skin cancers, allergies, short term increase in mortality rate, asthma, impact on vascular diseases and many others.

But how is this ozone layer getting depleted? Its because of us, humans using the CFC’ s- Chloro Fluoro Carbons which  are nontoxic, nonflammable chemicals containing atoms of carbon, chlorine, and fluorine. They are used in the manufacture of aerosol sprays, blowing agents for foams and packing materials, as solvents, and as refrigerants.

These physical properties make them ideal for use as refrigerant gases in air conditioners, freezers and refrigerators. Their low boiling points also make them ideal for blowing agents for foam plastics, allowing the foam to expand as the liquid CFC boils. They are one of the greenhouse gases that contribute to climate change. These when go up they react with the ozone.When ultraviolet light waves (UV) strike CFC* (CFCl3) molecules in the upper atmosphere, a carbon-chlorine bond breaks, producing a chlorine (Cl) atom. The chlorine atom then reacts with an ozone (O3) molecule breaking it apart and so destroying the ozone. ... A single CFC molecule can destroy 100,000 ozone molecules. Therefore, these are almost banned everywhere now for the betterment of the nature and our ozone layer which forms a protective shield.

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