Q2 of 34 Page 101

Name the most common fire extinguisher.

The most common fire extinguisher is water but it could not be used in fire involving electric current and oil.


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3

Burning of wood is harmful for human beings. How?

 1

Write the causes of global warming.

 3

How many zones are there in a flame?

 4

How does pouring water extinguish a fire?