When making a boiling point of water graph, when it askes for when the liquid finish boiling what is it saying

would they be asking the time right after the plateau has ended which the degrees in celcius is higher or would they be asking for where the temperature cools down which is befor the platea. should the point after the platea has ended have a higher degrees than the plateau?When making a boiling point of water graph, when it askes for when the liquid finish boiling what is it saying
From your description of the graph, you are plotting time versus temperature. I would think that the most important data would be the time when the graph became horizontal, in other words, how long it took to reach the boiling point. If the question was really ';when did the water finish boiling?';, I don't think that it was expressed correctly. The water, in a container open to the air, would only '; finish boiling'; when it had all changed from liquid to vapor.