| A | B |
|---|
| reactants --> | products |
| acid + metal --> | salt + hydrogen |
| magnesium + hydrochloric acid --> | magnesium chloride + hydrogen |
| sodium + nitric acid --> | sodium nitrate + hydrogen |
| calcium + sulfuric acid --> | calcium sulfate + hydrogen |
| acid + metal oxide --> | salt + water |
| copper oxide + hydrochloric acid --> | copper chloride + water |
| magnesium oxide + nitric acid --> | magnesium nitrate + water |
| calcium oxide + sulfuric acid --> | calcium sulfate + water |
| acid + metal hydroxide --> | salt + water |
| sodium hydroxide + hydrochloric acid --> | sodium chloride + water |
| beryllium hydroxide + sulfuric acid --> | beryllium sulfate + water |
| acid + metal carbonate --> | salt + carbon dioxide + water |
| calcium carbonate + nitric acid --> | calcium nitrate + carbon dioxide + water |
| magnesium carbonate + sulfuric acid --> | magnesium sulfate + carbon dioxide + water |
