The major inert gas obtained as an ingredient of natural gas is the inert gas? 

Energy travels from Sun to Earth through 

Maximum density of water is-

A gas burning with blue flame is-

Whose pieces are the magnet protectors? 

Why is not all the children of a parent equal? 

When Arsenic atoms are added to Germanium Lattice it becomes a/an 

The most commonly used bleaching agent is