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Green chemistry means such reactions which -
A
are related to the depletion of ozone layer
B
study the reactions in plants
C
produce colour during reactions
D
reduce the use and production of hazardous chemicals
Detailed Solution
Green chemistry is the design of chemical products and processes that reduce or eliminate the use and production of hazardous substances.
It aims at preventing pollution at the source rather than treating the waste afterwards.
Examples: using $H_2O_2$ in place of chlorine for bleaching paper, using liquefied $CO_2$ with a suitable detergent in place of tetrachloroethene for dry cleaning of clothes, and carrying out reactions in water.
The word 'green' here does not refer to plants or to colour, and green chemistry is not the study of ozone depletion.
So green chemistry means such reactions which reduce the use and production of hazardous chemicals.
It aims at preventing pollution at the source rather than treating the waste afterwards.
Examples: using $H_2O_2$ in place of chlorine for bleaching paper, using liquefied $CO_2$ with a suitable detergent in place of tetrachloroethene for dry cleaning of clothes, and carrying out reactions in water.
The word 'green' here does not refer to plants or to colour, and green chemistry is not the study of ozone depletion.
So green chemistry means such reactions which reduce the use and production of hazardous chemicals.