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For dry cleaning, in the place of tetrachloroethane, liquefied carbon dioxide with suitable detergent is an alternative solvent. What type of harm to the environment will be prevented by stopping use of tetrachloroethane?

Options

  1. AReplacement of halogenated solvent by liquid CO 2 will result in less harm to air.
  2. BReplacement of halogenated solvent by liquid CO 2 will result in less harm to groundwater.
  3. CReplacement of halogenated solvent by liquid CO 2 will result in less harm to birds and insects
  4. DReplacement of halogenated solvent by liquid CO 2 does not change anything

Correct answer

B. Replacement of halogenated solvent by liquid CO 2 will result in less harm to groundwater.

Step-by-step solution

Correct Option is : (B) Replacement of halogenated solvent by liquid CO 2 will result in less harm to groundwater.

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