| A | B |
| mixture | material made of two or more substances |
| heterogeneous | mixture that is uneven |
| homogeneous | mixture that is even |
| separating | by hand, by filter, by evaporation |
| solution | separate by evaporation only |
| solute | part of solution that dissolves |
| solvent | part of solution that does the dissolving |
| air | gas-gas solution |
| pop | gas-liquid solution |
| vinegar | liquid-liquid solution |
| sugar water | solid-liquid solution |
| brass | solid-solid solution |
| stirring | increases the rate of dissolving |
| solubility | amount of substance that dissolves in 100g of solvent at a given temp. |
| saturated solution | can't dissolve any more solute |
| unsaturated solution | can dissolve more solute |
| dilute solution | small amount of solute in solvent |
| concentrated solution | large amount of solute in solvent |
| acid | tart taste, contains hydrogen, corrosive |
| base | bitter taste, hydroxide is in all names |
| pH | measures acidity of solutions |
| acid | 0-6 on pH scale |
| neutral | 7 on pH scale |
| base | 8-14 on pH scale |
| indicators | litmus paper, red cabbage juice, phenolphthlein |