Question

what is the difference between a mixture and a compound? a mixture must be uniform in composition. a compound can only be separated into its components by chemical means. a compound consists of more than one phase. a mixture can only be separated into its components by chemical means. choose all

Explanation:

A mixture can be separated into its components by physical means like filtration, evaporation etc. A compound is a pure - substance formed by chemical combination of elements and can only be separated into its components by chemical means. A mixture may be uniform (homogeneous) or non - uniform (heterogeneous). A compound can be in one phase or multiple phases.

Answer:

B. A compound can only be separated into its components by chemical means.