Question

Q5. A student takes out some ice cubes from the freezer (below 0°C) and puts them in a beaker
and starts heating the beaker. He measures the temperature of the contents of the beaker
as a function of time and plots the following graph. Explain the significance of the horizontal
portion of this graph.
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Answer 1

Answer:

first the heat that was supplied was just absorbed by the ice to melt known as latent heat of fusion that is why it was just on 0 but as soon as all the ice melted the temperature began to rise and started boiling known as latent heat of vaporization.