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प्रश्न
Which one of the following chemicals have not been used for the dry cleaning of clothes?
पर्याय
Tetrachloroethene
Liquid CO2
Ethanol
H2O2
MCQ
उत्तर
Ethanol
Explanation:
Dry cleaning is the process of cleaning clothing without the use of water. The solvent needs to be evaporatively simple. Clothing dry cleaning does not involve the use of ethanol.
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