Question

Which of the following practices involve green chemistry?

(i) Substitute CFCs by environmental friendly HFCs and other compounds.

(ii) Replace halogenated solvent by liquid $CO_{2}$for drycleaning.

(iii) Use of $H_{2}O_{2}$for bleaching instead of $Cl_{2}$

(iv) Making disposable eating utensils and storage jars of plastics.

• A. (i) and (ii)
• B. (ii) and (iv)
• C. (iii) and (iv)
• D. (i), (ii) and (iii)

Answer 1

Answer: (D)

(i), (ii) and (iii)

Answer 2

: Using plastic is not a part of the green chemistry since plastic is non-biodegradale.