Question

10. The combustion reaction which occurs on its own, without any external
supply of heat is called as:

spontaneous reaction

combustion

fire

rapid combustion​

Answer 1

Answer:

Spontaneous combustion: The combustion in which no external heat is given is known as spontaneous combustion. For example: Burning of white phosphorus in air.

Answer 2

Answer:

a) spontaneous combustion

Explanation:

spontaneous combustion reaction which occurs on its own without any external supply