Types Of Combustion
Chapter Name : Combustion And Flame |
Sub Topic Code : 102_08_06_03_01 |
Topic Name : Types Of Combustion |
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Sub Topic Name : Types Of Combustion |
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Introduction
Discuss “Discuss examples of combustion and try differentiating between them ”
Pre-Requisites:
Definition of combustion
Activity:
Burning of crackers, burning of cooking gas
Real Life Question:
“How are crackers is an example of rapid combustion?”, “Give example where without any apparent cause something starts burning?”
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Rapid combustion | We find that the gas burns rapidly and produces heat and light. Such combustion is known as rapid combustion. |
| Spontaneous combustion | The type of combustion in which a material suddenly bursts into flames, without the application of any apparent cause is called spontaneous combustion. |
| explosion | 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. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| crackers | Can be burnt under supervision to observe explosion |
Real life uses :
Putting of fire and saving lives
Practical examples around us
| Examples | Explainations |
|---|---|
| Cooking gas, cracker | Shows different kinds of combustion |
What you learn in Theory:
Different types of combustion, how can something even catch fire without apparent cause
What you learn in Practice:
On what factors you can differentiate combustions, what are criterias of explosion