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Green chemistry in day-to-day life is the use of: (1) Chlorine for bleaching of paper (2) Large amount of water alone for washing clothes (3) Tetrachloroethene for laundry (4) Liquified CO2 for dry cleaning of clothes

1. (1) Chlorine for bleaching of paper
2. (2) Large amount of water alone for washing clothes
3. (3) Tetrachloroethene for laundry
4. (4) Liquified CO2 for dry cleaning of clothes

Correct answer: (4) Liquified CO2 for dry cleaning of clothes

Solution

Liquified CO2 is considered a green chemistry option because it is a non-toxic, environmentally friendly solvent that reduces the use of harmful chemicals in dry cleaning processes, making it a more sustainable choice.

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