Deuterium has a melting point higher than that of hydrogen.

Hydrides made from group 1 and 2 are known as _______

The hydride gap is related to group ____

Which of the following, do you think are the synthetic resins present in removal of permanent hardness?

What does D represent in heavy water?

Heavy water is called as a moderator.

What is the chemical formula of deuterosulphuric acid?

Hydrogen is used in an oxyhydrogen flame.