Which of the following is used in the preparation of hydrogen peroxide by the Merck process?

The volume strength of $1.5 \ N \ H_2O_2$ solution is

In which of the following reactions,$H_2O_2$ acts as a reducing reagent?

The correct statements about $H_2O_2$ are:
$A$. Used in the treatment of effluents.
$B$. Used as both oxidising and reducing agents.
$C$. The two hydroxyl groups lie in the same plane.
$D$. Miscible with water.
Choose the correct answer from the options given below:

The molecular weight of hydrogen peroxide is $34$. What is the unit of molecular weight?

The strengths of $5.6$ volume hydrogen peroxide (of density $1 \ g/mL$) in terms of mass percentage and molarity $(M)$,respectively,are:
(Take molar mass of hydrogen peroxide as $34 \ g/mol$)