Question

Which two gases can not be broken down by chemical means?

CO and He
CO and NH3
Xe and He
Xe and NH3

Answer 1

Answer:

CO and NH3

Explanation:

The He and Xe consists of one atom only, so they can not be broken down

Answer 2

Answer:

CO and NH3

Explanation:

The chemical reaction only breaks down chemical bonds between atoms inside a molecule.