Answer:
Figure (d) would correctly represent the result.
Because when heat is provided to the mixture of water and ice at 0°C, the ice
absorbs this heat and converts it into the water at 0°C. During this period,
there is no rise in temperature. On further heating, the temperature starts
rising.
This is because, in ice (solid), the particles attract one
another with strong forces. The heat which we supply to ice during melting is
all used up to overcome the forces of attraction between ice particles, so that
they become loose and form liquid water.
This heat does not increase the kinetic energy of
particles and hence no rise in temperature takes place during the melting of
ice, when all the ice has melted forming water, further heating increases the
kinetic energy of water, due to which the temperature of water starts rising
sharply.
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