Comparing pure substances and mixtures
Purity
Purity
Comparing pure substances and mixtures : heat up water and distilled water in watch glass on a beaker with water in to compare substance purity.
Tape water
Distilled water
Watch glasses (Have to be clean)
Beaker 250 cc
Bunsen burner, tripod, gauzes, HPM
Heat proof gloves
purity DEMO :