Questions
In cold countries, water does not freeze at the bottom of a lake in winter, on account of
a
anomalous expansion of water between 4°C and 0°C
b
ice being lighter than water
c
ice being poor conductor of heat
d
all the above three factors
detailed solution
Correct option is D
On heating from 0°C, volume of water decreases and becomes minimum at 4°C. So at 4°C, density of water at 4°C, goes below the water at 0°C.Ice is lighter than water and it floats on the surface of lake.So option (4) is right.Talk to our academic expert!
Similar Questions
Two beakers A and B of negligible coefficient of expansion are filled with water at Beaker ‘A’ is heated and beaker ‘B’ is cooled. Then
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