Blackened oil painting can be restored into original form by the action of :

The volume strength of $1.5 \, N$ $H_2O_2$ solution is .............. $liters$.

In which of the following reactions does hydrogen peroxide act as a reducing agent?

Why can dilute solutions of hydrogen peroxide not be concentrated by heating? How can a concentrated solution of hydrogen peroxide be obtained?

Which of the following gives $H_2O_2$ on hydrolysis?

In which of the following reactions does $H_2O_2$ act as a reducing agent?