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Fill in the blanks:
In explosive combustion, the rapid expansion of ___________ causes explosion and production of _____________.
Correct Answer:
In explosive combustion, the rapid expansion of volume causes explosion and production of energy.
 
Explanation:
Explosive combustion is the combustion in which a substance burns suddenly and produces heat, light, and sound with the help of an external source of heat or pressure.
Eg:- explosion of crackers on applying heat or pressure.
Rapid combustion is the combustion in which a substance burns rapidly with the help of an external source and produces heat within a very short time.
Eg:- Burning of LPG.
[Extra information: Combustion is a scientific term used for "burning".Combustion is a chemical process in which a substance reacts rapidly with oxygen and gives off heat and light energy.
The condition necessary for the combustion to take place are:
1. There should be a combustible substance or a fuel
2. There should be a medium in which combustion can take place i.e presence of air
3. The ignition temperature of the combustible substance should be attained by the use of fire or flame.]
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