Reactivity of hydrogen is __________ compared to halogens.

Molecular hydrides of formed from __________

What is 30% of hydrogen peroxide called?

Dihydrogen is relatively inert at room temperature.

In a hydrogen molecule, when the spins are in the same direction. What is it known as?

Normality of hydrogen peroxide is given by 2 and what is its volume strength?

Nickel and chromium actors a catalyst in case of hydrogen production from hydrocarbons.

Hydrogen is used in the manufacture of _____