What is the difference between the burning of a candle and burning of
a fuel like coal?
5. What is combustion?
6. Define a fuel?
7. (i) What are the essential condition required for combustion?
(ii) What is the essential condition required for extinguishing fire?
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Combustion is a chemical reaction in which a flammable substance reacts with oxygen to produce gases like carbon dioxide.
A fuel is a substance using which combustion is performed.
Conditions required for combustion are -
1. Presence of oxygen
2. A flammable substance
3. Heat to overcome its ignition temperature.
To extinguish a fire the supply of one of the things( required for combustion) has to be cut.
A fuel is a substance using which combustion is performed.
Conditions required for combustion are -
1. Presence of oxygen
2. A flammable substance
3. Heat to overcome its ignition temperature.
To extinguish a fire the supply of one of the things( required for combustion) has to be cut.
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