What are the three essential requirements to produce fire?

cbse
cbse-class-8-science
combustion-flame

#1

What are the three essential requirements to produce fire? How fire extinguisher is useful for controlling the fire?

Answer:
Three essential requirements are:

  • Fuel
  • Air
  • Heat to acquire the ignition temperature

A fire extinguisher is useful in controlling the fire in the following ways:

  • It cools all the burning substances to a temperature below its ignition temperature.
  • It cuts off the supporter of the burning substance, i.e., oxygen from the combustible substance.