Question

A compound is regarded as a pure substance while the mixture is not? why?

Answer 1

Answer:

Mixtures, on the other hand, are considered impure substances. A mixture is created when substances combine but no chemical reaction occurs. ... Pure compounds and elements differ from mixtures in one key way: the substances in a pure compound are held together by chemical bonds. These chemical bonds cannot be broken.

Answer 2

Pure elements are Substances which are made up of only one kind of atom. Air is a mixture of element and compound whereas alcohol in water is a mixture of compounds. CO2 is a pure compound and not an element.