| S/NO. | Types Of Chemical Reactions | Explanation | General Reaction | Example | |||
|---|---|---|---|---|---|---|---|
| 1. | Combination Reaction | Two or more components combine to form one compound. | A + B = AB | 2Na + Cl2 + 2NaCl | |||
| 2. | Precipitation Reaction | Two solution of soluble salt are mixed resulting on an insoluble solid(precipitate) forming. | A + Soluble salt B = Precipitate + soluble salt C | AgNO3 = Ag +(aq) + NO3-(aq) | |||
| 3. | Neutralization Reaction | An acid and a base react with each other. Generally, the product of this reaction is salt and water. | Acid + Base = Salt + water | HCl + NaOH = NaCl + H2O | |||
| 4. | Decomposition Reaction | The opposite of a combination reaction - a complex molecule breaks down to make simpler ones. | AB = A + B | CaCO3 = CaO + CO2 | |||
| 5. | Neutralization Reaction | An acid and a base react with each other. Generally, the product of this reaction is salt and water. | Acid + Base = Salt + water | HCl + NaOH = NaCl +H2O | |||
| 6. | Combustion Reaction | Oxygen combines with a compound to form carbon-di-oxide and water. These reactions are exothermic, meaning they give off heat. | A + O2 = h2O + CO2 | 2CH3OH +3O2 = 4H2O + 2CO2 | |||
| 7. | Displacement Reaction | One element takes place with other element in the compound. | A + BC = AC + B | Zn + CuSO4 = ZnSO4 + Cu | |||