GK Question – 1

Which among the following is the most common use of perchlorethylene also known as perc?
[A]As an Antiseptic
[B]Manufacture of Bio-degradable Plastic
[C]As solvent in Dry Cleaning
[D]Making of Compact Discs

As solvent in Dry Cleaning
In dry cleaning, cleansing is achieved by the action of a solvent, which dissolves out the sticky matter due to its like nature. Dry cleaning fluids serve as a vehicle to carry away the soil. Camphene, naphtha, benzene, benzol, petrol, carbon tetrachloride, trichloroethylene and tetrachloroethylene are some of the frequently used dry cleaning fluids. However, tetrachloroethylene (perchloroethylene), abbreviated “perc” in the industry is a common solvent used in Dry Cleaning.

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