. What type of combustion is represented by


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 coalmine

Best Answer

(a) Burning of white phosphorus in air at room temperature is a 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 a 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 coalmine is a 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

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