| A | B |
|---|
| acid | taste sour; hydrogen ions; conduct electricity |
| oxide | contains oxygen and one other element |
| sulfuric acid | acid rain |
| carbonic acid | in soft drinks like coca-cola |
| blue litmus paper | turns red in an acid |
| red litmus paper | turns blue in a base |
| pH scale | 0-7 acid; 7-14 base; 7 is neutral |
| phenolphthalein | turns pink in a base; clear in an acid |
| silicon dioxide | sand |
| hydrocarbons | contain only carbon and hydrogen |
| methane | marsh gas or natural gas |
| organic compounds | compounds made of carbon |
| propane | gas for heating and cooking in campers |
| salts | formed by a chemical reaction between a base and acid |
| indicator | changes color when added to a base or acid |
| inorganic compounds | compounds made from elements except those carbon compounds |
| petroleum | paints,dyes, plastics, cosmetics are made from this hydrocarbon |
| stannous fluoride | salt found in toothpaste |
| calcium chloride | salt that melts snow and ice |
