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Which one of the following substances used in dry cleaning is a better strategy to control environmental pollution?
Environmental Chemistry
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01/05/2022 2:26 pm
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Which one of the following substances used in dry cleaning is a better strategy to control environmental pollution?
(a) Sulphur dioxide
(b) Carbon dioxide
(c) Nitrogen dioxide
(d) Tetrachloroethylene
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01/05/2022 2:27 pm
Correct answer: (d) Tetrachloroethylene
Explanation:
Tetrachloroethylene is widely used for dry cleaning fabrics and metal degreasing operations.
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