Question

<!--td {border: 1px solid #cccccc;}br {mso-data-placement:same-cell;}--> Describe the different types of combustion.

Answer 1

<!--td {border: 1px solid #cccccc;}br {mso-data-placement:same-cell;}--> Combustions are of three types which are as follows:

• Spontaneous combustion: In spontaneous combustion, a material with a very low ignition temperature suddenly burns without the application of any external ignition. [1 mark]
• Rapid combustion: In rapid combustion, a material burns rapidly to produce heat and light when ignited by an external source. [1 mark]
• Explosion: In an explosion, a substance burns suddenly and produces a large amount of heat, light and sound when ignited by an external source. [1 mark]