Question

Which of the following consists of a single element or type of compound? (4 points) a Heterogeneous mixture b Homogeneous mixture c Impure substance d Pure substance

Answer 1

Heterogenous mixture

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.