Across
- 2. Reaction in which the more reactive substance takes place of the less reactive one
- 6. Rusting of metal.
- 7. Reaction in which two or more substaces react to form a new substance
Down
- 1. Reaction in which acids and bases react to produce salt and water
- 3. Reaction in which susbtance naturally reacts with external enviroment overtime
- 4. The non-soluble solid matter formed after a chemical reaction
- 5. A type of chemical reaction in which the reactant ions exchange places to form new products