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? [2000]

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? [2000]

Smart Achievers · Accepted Answer

(1)

O → A, the temperature of ice changes from −10°C to 0°C.
A → B, ice at 0°C melts into water at 0°C.
B → C, water at 0°C changes into water at 100°C.
C → D, water at 100°C changes into steam at 100°C.

Solution

Q.
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 [2000]

1

2

3

4

Ans.
(1)

O → A, the temperature of ice changes from −10°C to 0°C.
A → B, ice at 0°C melts into water at 0°C.
B → C, water at 0°C changes into water at 100°C.
C → D, water at 100°C changes into steam at 100°C.

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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 represents the phenomenon qualitatively [2000]

1

2

3

4

Ans. (1) O → A, the temperature of ice changes from −10°C to 0°C. A → B, ice at 0°C melts into water at 0°C. B → C, water at 0°C changes into water at 100°C. C → D, water at 100°C changes into steam at 100°C.

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Q.
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 [2000]

Ans.
(1)

O → A, the temperature of ice changes from −10°C to 0°C.
A → B, ice at 0°C melts into water at 0°C.
B → C, water at 0°C changes into water at 100°C.
C → D, water at 100°C changes into steam at 100°C.