When certain chemicals are combined, they can produce a variety of types of explosions, mainly including the following: 1. **Combustion explosion**: Under appropriate temperature and pressure conditions, certain combustible materials (such as gasoline, alcohol, etc.) combine with oxygen to produce a violent combustion reaction, quickly release energy and produce an explosion. 2. **Peroxide explosion**: When certain organic peroxides are heated or impacted, they may decompose rapidly, release a large amount of gas, and form an explosion. 3. **Chemical explosion**: Certain compounds (such as ammonium nitrate, black powder, etc.) will undergo rapid chemical reactions under certain conditions, resulting in the instantaneous release of a large amount of gas and the generation of shock waves. 4. **Steam explosion**: When a liquid comes into contact with a heat source, it is instantly converted into steam. If the rapidly expanding steam cannot be released in time, it may cause the container to rupture and cause an explosion. 5. **Dust explosion**: When certain solid materials (such as wood chips, coal dust, etc.) exist in the form of fine dust in the air, they may explode when they encounter a fire source. 6. **Hydrogen explosion**: When hydrogen is mixed with air and encounters flames or sparks, a very strong explosion will occur. When handling chemicals, safety procedures must be followed to prevent unexpected reactions and explosions.