MCQ
The inferences drawn by the temperature versus time graph are
Image
A. During the melting, temperature of substance does not change.
B. Temperature rises after all amount of ice melts.
C. At a specific temperature water starts boiling and temperature remains the same during the conversion of water into steam.
Which statement is correct regarding graph?
  • A
    Only (C) is correct
  • All (A), (B) and (C) are correct
  • C
    Only (B) is correct
  • D
    Only (A) is correct

Answer

Correct option: B.
All (A), (B) and (C) are correct
(b) All (A), (B) and (C) are correct
Explanation:
A. During the change of state, given heat is used to change the state. So temperature remains same. AB and CD parts show
constant temperature

B. BC part represents increase in temperature.

C. CD is water starts boiling and temperature remains the same during the conversion of water into steam.

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