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A Solid is Heated at a Constant Rate in an Insulated Container Till Half of It Vapourises. Which Graph in Fig. 2 Shows the Temperature Changes During this Time? - Physics

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Question

A solid is heated at a constant rate in an insulated container till half of it
vapourises. Which graph in the following fig shows the temperature changes during this time?

Options

MCQ

Solution

The first time when temperature is constant represents change of state from solid to liquid and the second time temperature is constant represents change of state from liquid to vapour.

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Chapter 5: Heat - Exercise 1 [Page 245]

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Frank Physics - Part 2 [English] Class 10 ICSE
Chapter 5 Heat
Exercise 1 | Q 1.5 | Page 245
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