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Question
A block of ice at -10∘C is slowly heated and converted to steam at 100∘C. Which of the following curves represents the phenomenon qualitatively?
A block of ice at -10∘C is slowly heated and converted to steam at 100∘C. Which of the following curves represents the phenomenon qualitatively?
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Solution
The correct option is A
The change of ice at -10∘C into steam at 100∘C occurs in four stages, it is represented by a curve.
I Stage – The temperature of ice changes from - 10∘C to 0∘C.
II Stage – Ice at 0∘C changes in water at 0∘C. The state changes as heat is supplied.
III Stage – Water at 0∘C changes into the water at 100∘C.
IV Stage – Water at 100∘C change into steam at 100∘C.
The change of ice at -10∘C into steam at 100∘C occurs in four stages, it is represented by a curve.
I Stage – The temperature of ice changes from - 10∘C to 0∘C.
II Stage – Ice at 0∘C changes in water at 0∘C. The state changes as heat is supplied.
III Stage – Water at 0∘C changes into the water at 100∘C.
IV Stage – Water at 100∘C change into steam at 100∘C.
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