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NEET levelSingle correct optionDifficulty 1 of 3ev173

In modern dry cleaning, the toxic solvent tetrachloroethene is being replaced by

  1. Aliquid with a suitable detergent
  2. Bchloroform
  3. Ccarbon tetrachloride
  4. Dliquid ammonia

Answer: A

Liquid carbon dioxide with a surfactant cleans fabrics without the health and groundwater hazards of tetrachloroethene. The gas is released afterwards by lowering the pressure.
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