Question

water expands on freezing whereas wax and lead contract on freezing​

Answer 1

Answer:

When liquid water is cooled, it contracts like one would expect until a temperature of approximately 4 degrees Celsius is reached. After that, it expands slightly until it reaches the freezing point, and then when it freezes it expands by approximately 9%.

Answer 2

Answer:

when liquid water is cooled. it contracts like one would expect until temperature of approximately 4 degree celsius is reached . After that it expands, slightly until it reaches the freezing point and then when it freezes it expands by approximately 9%