If a substance can be separated by physical or chemical means, it is

A pure substance.

Pure substances have both physical and chemical properties, for example, pure substances have melting points and boiling points, solubility, desnity, etc.

Have a great day, and glad I could help!

graph question answered .. you think better when you are relaxed and happy

first thing first of the answer is with technology. second thing second thing is that the big bang theory did not happened u see they say it did but what they dont realize is that like dinasures are still a round they might deny it but they and look at these 12 foot human skelteons they find lets see didnt the bible say something about giants. hope this peace.