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What type of combustion is represented by:
(a) burning of white phosphorus in air at room temperature?
(b) burning of LPG in a gas stove?
(c) ignition of a cracker?
(d) burning of coal dust in a coal mine?
(a) Burning of white phosphorus in the air at room temperature is 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.
(b) Burning of LPG is combustion in which a substance burns rapidly and produces heat and light with the help of external heat.
(c) Ignition of a cracker is combustion in which a substance burns suddenly and produces heat, light, and sound with the help of heat or pressure.
(d) Burning of coal dust in a coal mine is spontaneous combustion.
Updated on: 10-Oct-2022
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