Which of the following products are formed on the hydrolysis of $NaO_2$?

The compound that can work both as an oxidising and reducing agent is

Calculate the strength of $20 \ V$ $H_2O_2$ in $g/L$.

Which of the following statement is/are correct for $H_2O_2$?

In the reaction of $BaO_2$ with dilute $H_2SO_4$,what are the oxidation states of the most electronegative element in the products?

The volume strength of $8.9 \, M \, H_{2}O_{2}$ solution calculated at $273 \, K$ and $1 \, atm$ is.........
$(R = 0.0821 \, L \, atm \, K^{-1} \, mol^{-1})$ (rounded off to the nearest integer)