Q.

Is it true that water is useful in putting out all fire?


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a

True

b

False 

answer is B.

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Detailed Solution

The above statement is false.
If electrical equipment is on fire, water cannot be used. Considering that it conducts electricity and can be dangerous. As a result, the person putting out the flames risks receiving an electric shock. Likewise, water cannot put out an oil or gasoline fire because they are lighter than water. Therefore, they keep burning while floating on water.  The corrected statement would be “Water is applicable only when putting out fires of paper, clothes, etc”.
 
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