Easy MCQ +4 / -1 PYQ · JEE Mains 2021

Green chemistry in day-to-day life is in the use of :

  1. A Chlorine for bleaching of paper
  2. B Large amount of water alone for washing clothes
  3. C Tetrachloroethene for laundry
  4. D Liquified CO<sub>2</sub> for dry cleaning of clothes Correct answer

Solution

<p>Liquified CO<sub>2</sub> for dry cleaning of clothes is in the use of green chemistry in day-to-day life.</p> <p>Chlorine gas was used earlier for bleaching paper. Now a days, hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>) with suitable catalyst are used. Earlier solvents like tetrachloroethylene were used in dry cleaning of clothes but they pollute the ground water and are carcinogenic.</p>

About this question

Subject: Chemistry · Chapter: Chemistry in Everyday Life · Topic: Drugs and Medicines

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