

A glass of water at room temperature was left in a freezer compartment of a refrigerator. The graph below shows the changes in the temperature of the water.
(a) In what state was the water at C?
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(b) Name the process that took place from B to C.
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(c) How long did the water take to reach
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(a) Solid
(b) It is freezing
(c) 60 minutes