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Physics
It is difficult to cook rice in an open vessel by boiling it at high altitudes because of
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Q. It is difficult to cook rice in an open vessel by boiling it at high altitudes because of
WBJEE
WBJEE 2009
Thermal Properties of Matter
A
low boiling point and high pressure
18%
B
high boiling point and low pressure
42%
C
low boiling point and low pressure
24%
D
high boiling point and high pressure
15%
Solution:
At high altitude pressure is low and therefore boiling point is also low. In this case water starts boiling below its boiling point but rice cooks at $100^{\circ} C$. So, it is difficult to cook rice at high altitudes.