| A | B |
|---|
| reactant | a substance that is changed in a chemical reaction |
| product | a substance that is produced in a chemical reaction |
| synthesis reaction | when two elements combine to form a compound, the reaction is called a synthesis reaction |
| decomposition reaction | a reaction that breaks down compounds into simpler substances |
| electrolysis | using an electric current to break down a compound |
| single replacement reaction | a chemical reaction in which one element replaces another element in a compound |
| replace | take the place of |
| double replacement reaction | a reaction in which elements from two compounds change places, and two new compounds are formed |
| precipitate | an undissolved solid that usually sinks to the bottom of a mixture |
| neutralization reaction | a reaction in which an acid and a base form a salt plus water |
| ore | a mineral compound from which we can get a useful metal |
| reduction | removing oxygen from an ore to free the metal in the ore |
| roasting | heating an ore in air to produce an oxide |
| alloy | a mixture of two or more metals |
