Q.

Is it true that water and air are good conductors of heat


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a

True

b

False 

answer is B.

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Detailed Solution

The above statement is False.
Water and air are deficient conductors of heat. This is because the molecules of the air are not close enough that they can transfer electricity.
Pure water contains very few ions and is a poor electrical conductor.
Thus the correct statement would be, water and air are deficient conductors of heat.
 
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