19. The graph shows the values of temperature, when ice is heated till it becomes watet
vapour. Observe the graph and answer the following questions.
(Note that the figure is not completely quantitative and also not to the scale. It is
purely qualitative)
a) At what temperature, ice converts into water?
b) What does DE represent?
c) What is the range of temperature of liquid water?
d) Which part of the graph represents change of state from ice to water?
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Answer:
a)0 degrees
Explanation:
b)constant temperature
c)0-100
d)ABC
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