what is combustion? and type of conversion
Answers
Answer:
to cumbus any thing is known as combustion
Combustion:-
⟹ The chemical process in which a substance burns in air, or oxygen, with the release of heat and light energy is called Combustion.
●Types of combustion:-
☆Substance can be classified into types on the basis of certain properties they possess. On the basis of combustion i.e. if it burns easily or not, substances are classified into two types, namely:
▪︎Combustible Substances
▪︎Non-combustible substances
From their names it is very clear that the first group(Combustible Substances) includes the substances which burns easily or in order words, the substances which catches fire very easily. To name some of the substances which fall under this group are petrol and diesel.
Also it is very clear from the names that the second group is just opposite of the combustible substances. This group includes the substances which hardly burns or which catches fire very rarely. Some substances falling under this group of classification are iron, bricks etc.
☆Slow Combustion - When a combustible substance burns at a slow, or moderate rate its combustion is called Slow Combustion.
Example - Burning Of Cowdung Cakes
☆Rapid Combustion - When a combustible substance burns at a fast rate,its combustion is called Rapid Combustion.
Example - Gaseous Fuels
☆Spontaneous Combustion- When a Combustible Substance catches fire on its own, even at room temperature, it's combustion is referred to as Spontaneous Combustion.
Example - Sodium Metal
☆Explosive Combustion- When a mixture of a combustible material and air burns completely, in a very short span of time in a closed space, an explosive combustion can take place.
Example - Ignition of Cracker.