Answer:
Option A
Explanation:
$H_{2}O_{2}$ act as an oxidising as well as reducing agent, because, oxidation number of oxygen in $H_{2}O_{2}$ is -1. So, it can be oxidised to oxidation state 0 or reduced to oxidation state -2
$H_{2}O_{2}$ decomposes on exposure to light. So, it has to be stored in plastic or wax-lined glass bottles in dark for the prevention of exposure. It also has to be kept away from the dust
