The decomposition of $H_2O_2$ can be prevented by adding which of the following?

$25$ volume hydrogen peroxide means

$H_2O_2$ in basic medium reduces $I_2$ to form:

Which of the following is formed by the action of water on sodium peroxide?

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

Which of the following is the common name for peroxymonosulfuric acid?