Carbon dioxide is a mixture a compound and not a mixture explain
CO2 is a compound because it is made up of more than one type of atoms and here they are Carbon and Oxygen.
Element is made up of only one type of atoms.
Mixture is made up of different compounds or elements which are not chemically bonded with each other like salt solution.Salt solution like all solutions is a mixture and also a homogeneous one since the ions involved are so well mixed that the composition is uniform throughout the mixture.