Question

unreactive gases which are present in traces in air ​

Answer 1

The answer is Inert gases

Answer 2

Explanation:

Group 8A (or VIIIA) of the periodic table are the noble gases or inert gases: helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn). The name comes from the fact that these elements are virtually unreactive towards other elements or compounds.