The substance used as a bleaching agent for washing clothes is .....

Describe the preparation of Hydrogen peroxide and write its physical properties.

$1 \ mL$ of $H_2O_2$ solution gives $10 \ mL$ of $O_2$ at $NTP$. It is ................ vol. $H_2O_2$.

The amount of $H_2O_2$ present in $1 \ L$ of $1.5 \ N$ $H_2O_2$ solution is ........... $g$.

The strength of $11.2$ volume solution of $H_2O_2$ is: [Given that molar mass of $H = 1 \ g \ mol^{-1}$ and $O = 16 \ g \ mol^{-1}$]

The $\% \left(\frac{W}{V}\right)$ of $H_2O_2$ in $1.5 \ N$ solution is