1.

Which of the following practices involve green chemistry ?(i) Substitute CFCs by environmental friendly HFCs and other compounds (ii) Replace halogenatedsolvent by liquid CO_(2) for drycleaning , (iii) Use of H_(2)O_(2) for bleaching instead of Cl_(2) (iv) Use of tamarind seeds to clean municipal and industrial waste water.

Answer»

(i) and (II)
(ii) and (IV)
(III) and (iv)
(i),(ii) NAD (iii)

ANSWER :D


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