Multiple choice

Why is one advised to throw a blanket over a burning object during an incident of fire?

  1. To cut off the contact between oxygen and the burning object

  2. To cut off the contact between nitrogen and the burning object

  3. To cut off the contact between noble gases and the burning object

  4. To cut off the contact between water vapours and the burning object
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The  process of combustion cannot take  place in the absence of oxygen. Hence fire can be extinguished by cutting off the supply of oxygen which is the supporter of combustion. 

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