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Carcinogenicity of Aromatics

Ozone depleti...

Question

Ozone depleting substances are :

A

photochemical oxidants

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B

polynuclear aromatic hydrocarbons

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C

chlorofluorocarbons

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D

cadmium and lead

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Solution

The correct option is C chlorofluorocarbons
Chlorofluorocarbons (CFCs) 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. They are ozone depleting substances.

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