CAPABLE OF BEING COMPRESSED

to go from a solid to a liquid state

VERY COLD

CHANGE FROM A LIQUID TO A VAPOR

the conversion of a substance (such as water) from the vapor state to a denser liquid or solid state

to pass directly from the solid to the vapor state

a usually reversible change in the physical properties of a substance, as size or shape:

a usually irreversible chemical reaction

a deposit on the earth of hail, mist, rain, sleet, or snow

A pure substance is a sample of matter with both definite and constant composition with distinct chemical properties.

a combination of several different kinds

is simply any mixture that is uniform in composition throughout.

is simply any mixture that is not uniform in composition - it's a non-uniform mixture

the action or process of filtering something.

the separation of a mixture by passing it in solution or suspension or as a vapor