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What happens if the temperature is exactly
at the melting point? Can we have both
solid and liquid states?
Watch the video, which shows how the
temperature of the lead changes with time
as it is heated :
What can you say about the state of the lead and the temperature
change when the lead is being heated
a) below its melting point?
b) at its melting point?
c) above its melting point?
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