Which substance does not speed up the decomposition of $H_2O_2$?

Which statement is false about $H_2O_2$?

Match List $I$ with List $II$ and select the correct answer using the codes given below the lists:

$A$. Peroxide	$1$. $C_3O_2$
$B$. Superoxide	$2$. $PbO_2$
$C$. Dioxide	$3$. $KO_2$
$D$. Suboxide	$4$. $H_2O_2$

Rohan heard that instructions were given to the laboratory attendant to store a particular chemical,i.e.,keep it in the dark room,add some urea in it,and keep it away from dust. This chemical acts as an oxidising as well as a reducing agent in both acidic and alkaline media. This chemical is important for use in the pollution control treatment of domestic and industrial effluents.
$(i)$ Write the name of this compound.
$(ii)$ Explain why such precautions are taken for storing this chemical.

Which of the following yields $H_2O_2$ upon hydrolysis?

Which one of the following reactions represents the oxidising property of $H_2O_2$?