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  • Refer to the plot of temperature versus time showing the changes in the state of ice on heating. Which of the following is correct?

Refer to the plot of temperature versus time showing the changes in the state of ice on heating. Which of the following is correct?

a) the region AB represents ice and water in thermal equilibrium

b) at B water starts boiling

c) at C all the water gets converted into steam

d) C to D represents water and steam in equilibrium at boiling point

Answers (1)

The answer is the option (a) The region AB represents ice and water in thermal equilibrium and (d) C to D all represents water and steam in equilibrium at boiling point.

Explanation: If the temperature of a substance does not change on applying heat continuously, then its state changes.

Here, AB = 0^{\circ}C & CD = 100^{\circ}C , thus,

(i) AB, represents ice and water up to B &

(ii) CD represents water & steam.

 

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