Is hydrogen used in the synthesis of ammonia?

Which of the following is not an isotope of hydrogen?

2-ethylanthraquinol is used in the methods of preparation of hydrogen peroxide.

(BeH2)n is a __________

Dihydrogen is relatively inert at room temperature.

Which of the following as a greatest relative atomic mass?

What is the chemical formula of deuterosulphuric acid?

Molecular hydrides of formed from __________