What type of combustion is represented by: (a) burning of white phosp

1.	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?
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.

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?

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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