A block of ice at ?10°C is slowly heated and converted to steam at 100°C. Which of the following curves represent the phenomenon qualitatively?

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Solution

Q.
A block of ice at −10°C is slowly heated and converted to steam at 100°C. Which of the following curves represent the phenomenon qualitatively [2024]

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Ans.
(4)

$- 10 ° C ice \to_{change}^{Temp .} 0 ° C ice \to_{change}^{Temp .} 0 ° C$

$water \to_{change}^{Temp .} 100 ° C water \overset{Phase change}{\to} 100 ° C steam$

In this process, there are two phase changes and two temperature changes.

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