Which of the following practices involves green chemistry?
$\left(\mathrm{i}\right)$ Substitute CFCs by environmental friendly HFCs and other compounds
$\left(\mathrm{i}\mathrm{i}\right)$ Replace halogenated solvent by liquid $\mathrm{C}{\mathrm{O}}_2$ for drycleaning
$\left(\mathrm{i}\mathrm{i}\mathrm{i}\right)$ Use of ${\mathrm{H}}_2{\mathrm{O}}_2$ for bleaching instead of $\mathrm{C}{\mathrm{l}}_2$
$\left(\mathrm{i}\mathrm{v}\right)$ Making disposable eating utensils and storage jars of plastics

• A

  (i) and (ii)
• B

  (ii) and (iv)
• C

  (iii) and (iv)
• Correct answer
  D

  (i), (ii) and (iii)

Hence, the correct answer is option: 'D'.