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प्रश्न
How can you apply green chemistry for the following:
To avoid use of halogenated solvents in drycleaning and that of chlorine in bleaching.
उत्तर
The organic solvents like benzene, carbon tetrachloride, toluene etc., are highly toxic in nature. Everyone needs to be careful while using them. For bleaching the cloth hydrogen peroxide is used which is not harmful. Earlier chlorine was used for bleaching the clothes.
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संबंधित प्रश्न
For dry cleaning, in the place of tetrachloroethane, liquefied carbon dioxide with suitable detergent is an alternative solvent. What type of harm to the environment will be prevented by stopping use of tetrachloroethane? Will use of liquefied carbon dioxide with detergent be completely safe from the point of view of pollution? Explain.
Which one of the following chemicals have not been used for the dry cleaning of clothes?
