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14-4 Mrs. Fuller
Question | Answer |
---|---|
Mixtures | Two or more substances that may be combined in variable amounts (ex: garden salad) |
Solution | Mixtures that are evenly mixed at the molecular level |
Element | A substance that cannot be broken down (pure) |
Compound | A pure substance made up of two or more chemically combined elements |
Dissolve | To melt or liquefy change into a solution (solvent dissolves the solute) |
Acid | A substance that tastes sour and turns blue litmus paper red when dissolved in water |
Base | A substance that feels slippery tastes bitter and turns red litmus paper blue when dissolves in water |
Indicator | A substance that changes color at a certain pH level |
pH Scale | A system for measuring the strength of different acid or bases |
Litmus Paper | A type of paper that it red or blue or neutral and tells if it is an acid or base |