| Compound | Chemical formula | Elements present |
| Quick lime | CaO | Calcium, oxygen |
| Hydrogen bromide | HBr | Hydrogen, bromine |
| Baking powder | NaHCO3 | Sodium, hydrogen, carbon, oxygen |
| Potassium sulphate | K2SO4 | Potassium, sulphur, oxygen |
| Compound | Chemical formula | Elements present |
| Quick lime | CaO | Calcium, oxygen |
| Hydrogen bromide | HBr | Hydrogen, bromine |
| Baking powder | NaHCO3 | Sodium, hydrogen, carbon, oxygen |
| Potassium sulphate | K2SO4 | Potassium, sulphur, oxygen |