A sea wave is a crystal whose melting point is 48°C, so a sea wave whose temperature is 48°C, its state is () Why the melting temperature doesn't mean you have to melt? A sea wave is a crystal whose melting point is 48°C, so a sea wave whose temperature is 48°C, its state is () Why the melting temperature doesn't mean it has to melt

A sea wave is a crystal whose melting point is 48°C, so a sea wave whose temperature is 48°C, its state is () Why the melting temperature doesn't mean you have to melt? A sea wave is a crystal whose melting point is 48°C, so a sea wave whose temperature is 48°C, its state is () Why the melting temperature doesn't mean it has to melt

The status is uncertain
The melting point of a crystal is the temperature at which it begins to melt.
After the temperature of the crystal has reached the melting point, the crystal will melt if it can be further heated, but the temperature remains at the melting point until it is completely melted.
If the crystal remains at the melting point and does not absorb heat from the outside, the state of the crystal remains unchanged.

When the temperature of the crystal is exactly the melting point or solidification point, its state is (multiple)______. A. must be a solid B. must be a liquid C. may be a solid D. may be a liquid E. may be a solid-liquid coexistence. When the temperature of the crystal is exactly the melting point or freezing point, its state is (optional)______. A. must be a solid B. must be a liquid C. may be a solid D. may be a liquid E. may be a solid-liquid coexistence. When the temperature of the crystal is exactly the melting point or solidification point, its state is (optional)______. A. must be a solid B. must be a liquid C. may be a solid D. may be a liquid E. may be a solid-liquid coexistence.

When the temperature of the crystal reaches the melting point or solidification point, it is in the solid or liquid state at the beginning of melting or solidification; in the middle, it may be in the state of solid-liquid coexistence; in the end, it is in the state of liquid or solid state when it is completely melted or solidified. Therefore, all three states are possible.
Therefore, the answer is: C, D, E.