Types of combustion, flame

In which type of combustion the fuel catches fire immediately.

The type of combustion in which a material bursts suddenly into flame only own without application of any apparent cause, is called _____ combustion.

What type of combustion is represented by : ignition of a cracker ?

The type of combustion in which the substance burns rapidly and produces heat and light is called _____ combustion.

What type of combustion is represented by : burning of coal dust in a coal mine ?

What type of combustion is represented by : burning of white phosphorus in air at room temperature ?

What type of combustion is represented by : burning of LPG in a gas stove ?

What type of combustion is represented by: burning of white phosphorus in air at room temperature?