Question

Give two tests for hydrogen peroxide.

Answer 1

You can choose any two of them

Answer 2

Test for hydrogen peroxide :

If hydrogen peroxide bought from the local drug store it is important to check its expire nature.

Just swirl around $H_{2}O_{2}$ around your mouth. The taste is pleasant but unbearable. It foams up quickly when it is in good condition (strong). If the foam not appears not properly then it is weak we have replace it.  

The enzyme that present in the in body creates the breakdown of hydrogen peroxide into water and oxygen gas, which causes the foaming.