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Which compound which used in fire extinguishers cause ozone layer depletion?

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Which compound which used in fire extinguishers cause ozone layer depletion?

(a) Sodium aluminates

(b) Phosphates

(c) Halons

(d) Sulfurous silicate

I have been asked this question in examination.

Asked question is from Ozone Layer Depletion in chapter Social Issues and the Environment of Energy Management

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Right choice is (c) Halons

Explanation: Halons are compounds formed by Br, F and C. Because of its ability to put out fires, they are used in fire extinguishers, although their manufacture and use is prohibited in many countries because of their ozone depleting action.

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