A cube of ice, 2cm in length, is left out in a cup and it turns to water. The cup is then kept in the freezer. The ice formed has the diameter of the cup. What kind of change occurs in the ice and why?
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Explanation:
Melting ice is a not a chemical change,it is a physical change. Ice is solid water, and after it melts, it's liquid water.
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Answer:
First, when the ice turns into water it melts. It is a physical change as no new substance is formed and the change is reversible. Next, when the water is kept in the freezer it freezes again and has the diameter of the cup. It is a physical change as now new substance is formed and the change is reversible.
Explanation:
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