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Environmental Chemistry
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01/05/2022 11:49 am
Topic starter
Use of which of the following solvent in dry cleaning will result in less harm to groundwater?
(a) Cl2C = CCl2
(b) Liquid CO2
(c) H2O2
(d) None of these
1 Answer
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01/05/2022 11:50 am
Correct answer: (b) Liquid CO2
Explanation:
Replacement of earlier used tetra-chloroethene as solvent for dry cleaning by liquid CO2 results in less harm to ground water.