Subject :NSO Class : Class 8
Different methods of extinguishing a fire involve the following :
I. Removing the combustible substance.
II. Cooling the substance to a temperature below its ignition temperature.
III. Cutting off the supply of air.
Which of the following statements is correct?
A Method I is suitable in case of a building on fire.
B Method II involves water which works when wood or paper are on fire.
C Method III involves carbon dioxide gas which is lighter than oxygen and forms a blanket around the air.
D All of these
whats wrong with B
Ans 1: (Master Answer)
Class : Class 1
The correct answer is B.
Ans 2:
Class : Class 8
Why is it b
Ans 3:
Class : Class 8
Its all of these.
Ans 4:
Class : Class 5