Science

Combustion and Flame

Types of Combustion

Bring a burning matchstick or a gas lighter near a gas stove in the kitchen. Turn on the knob of the gas stove. What do you observe?combustion is known as rapid combustion. There are ubstances like phosphorus which bum in air at room temperature. The type of combustion in which a material suddenly bursts into flames, without the application of any apparent cause is called spontaneous ombustion.We generally have fireworks on festival days. When a cracker is ignited, a sudden reaction takes place with the evolution of heat, light and sound. A large amount of gas formed in the reaction is liberated. Such a reaction is called explosion. Explosion can also take place if pressure is applied on the cracker.