First slide

Change of state

Question

Two blocks of ice join together where passed. Which one of the following will appropriately account for this?

Moderate

A

The melting point of ice decreases with increase in pressure
B

The melting point of ice increases with increase in pressure
C

The latent heat of fusion of ice is high
D

Ice blocks have a natural affinity for each other.

Solution

As Ice contracts on melting, the separation line between the two ice cubes melts, joining them when pressure is released.

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