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Hard Water water that does not form a lather easily with soap
Soft Water water that forms a lather easily with soap
Mixture Two or more substances mingled together but not chemically combined
Pure When a substance or mixture is not contaminated or polluted by an unwanted source
Impure when a substance or mixture has been polluted or contaminated by another unwanted source
Filtration separation of an insoluble solid from liquid or gas
filtrate The liquid that is collected after passing through a filter
Residue The insoluble solid left in the filter after filtration
permeable Having pores that allow gases or liquids to pass through a membrane
Distillation The process in which a liquid is boiled and its vapour is condensed and collected
Evaporation The changing of a liquid to gas when the surface of the liquid is heated
Miscible Have two liquids mix evenly with each other
Residue the solute that is left after solvent has been removed from a solution by distillation or evaporation
Distillate the liquid that has been condensed from a vapour and is collected from the condenser
Absorption The attraction of a substance to the surface layer of another substance
Capillary Action The process of water particles sticking to each other and to the walls of narrow tubes which causes water top rise in the tubes
Chromotography The separation of dissolved substances in a solution by their attraction to the solvent
Created by: delvinceltic