Question

During a phase change, the temperature of a substance _____.

Answer 1

During a phase change the temperature of a substance _____ .
Ans remains constant

Hope This Helps

Answer 2

If the substance changes from one state to another, it is said to be as Change of state.

For example, take water and are boiling at 100 degree Celsius. Once it reaches 100, it becomes gaseous.

So the answer to this question is, the temperature stays constant whereas heat content of material changes.