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18/03/2022 8:55 pm
Topic starter
Use of which of the following solvent in dry cleaning will result in less harm to ground water?
(a) Cl2C = CCl2
(b) Liquid CO2
(c) H2O2
(d) None of these
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18/03/2022 8:57 pm
Correct answer: (b) Liquid CO2
Explanation:
Replacement of earlier used tetrachloroethene as solvent for dry cleaning by liquid CO2 results in less harm to ground water.