Ask your own question, for FREE!
Chemistry 18 Online
OpenStudy (anonymous):

Pure substances and mixtures are different because mixtures: always have exactly the same composition have exact melting points have variable compositions cannot be separated into their components by physical means

OpenStudy (eric_d):

It shld be the 3rd option

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!