Question

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

  • Combustion and flame CBSE Class 8
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Answer

Three essential requirements are:

  1. Fuel
  2. Air
  3. Heat to acquire the ignition temperature

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

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

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