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Question

what is the role of green chemistry in

a)bleaching paper

B) synthesis of chemicals

c) dry cleaning clothes

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Solution

Dear Student,

Green chemistry reduces toxicity, minimizes waste, saves energy, and cuts down on the depletion of natural resources. It allows for advances in chemistry to occur in a much more environmentally benign way.

A) In green chemistry, using new less toxic chemicals for bleaching paper, so it reduces toxicity and minimizes waste.

B) Green chemistry for chemical synthesis addresses our future challenges in working with chemical processes and products by inventing novel reactions that can maximize the desired products and minimize by-products, designing new synthetic schemes and apparatus that can simplify operations in chemical productions, and seeking greener solvents that are inherently environmentally and ecologically benign.

C) Dry Cleaning- Condensed phase carbon dioxide is also used as a solvent for the dry cleaning of clothes. Although carbon dioxide alone is not a good solvent for oils, waxes, and greases, the use of carbon dioxide in combination with a surfactant allows for the replacement of perchloroethylene (which is the solvent used most often to dry clean clothes, although it poses hazards to the environment and is a suspected human cercinogen.)

Regards


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