Why has carbon tetrachloride production and use been restricted in the UK?
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A.
It causes respiratory issues
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B.
It is a highly flammable substance
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C.
It is a known carcinogen
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D.
It depletes the ozone layer
Correct Answer:
D. It depletes the ozone layer
Explanation:
Carbon tetrachloride production and use have been restricted in the UK primarily because the substance is a potent ozone-depleting agent. Although it is also classified as a possible human carcinogen and can cause various health issues, the specific regulatory phase-out under international frameworks like the Montreal Protocol was driven by its significant role in destroying the Earth's protective ozone layer. While it remains in limited use as a chemical intermediate or laboratory reagent where it is consumed in reactions, its broader application in consumer products and as a general solvent has been banned to prevent atmospheric release.
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