Freezing point depression is when a substance lowers the freezing point of another substance. One example of this is adding salt to water. A solution of salt and water has a lower freezing point than water alone.
Melting and freezing: a recap
Melting is when a solid turns into a liquid. The temperature at which a solid melts is called the melting point.
Freezing is when a liquid turns into a solid. This is called the freezing point and is generally the same as the melting point for the same substance.
Freezing and melting are both reversible processes.
Freezing point depression demonstrations
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Last Updated on February 2, 2023 by Emma Vanstone
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