Perhydrol is an aqueous solution of

The oxide that gives $H_{2}O_{2}$ most readily on treatment with $H_{2}O$ is:

$A$ commercial sample of hydrogen peroxide is labeled as $10$ volume. What is its percentage concentration approximately (in $\%$)?

Which method is currently used for the industrial production of $H_2O_2$?

What is the order of the $K_a$ value for $H_2O_2$?

How many $mL$ of perhydrol is required to produce sufficient oxygen which can be used to completely convert $2 \ L$ of $SO_2$ gas to $SO_3$ gas (in $mL$)?