How is a mixture different from a compound?

Components of a mixture can be separated by physical means.

Particles of a mixture are combined chemically.

The composition of a mixture may be constant.

Components of a mixture can only be separated chemically.

If a certain mixture is homogeneous, you would properly conclude that the physical properties and the composition are:

are the same in every small volume element of the sample

vary smoothly from top to bottom of the sample

are different from one part of the sample to another

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