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Inter-conversion of States

Look at the g...

Question

Look at the given heating curve for a pure substance carefully
What is the physical state of the substance at point S?

A

Solid

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B

Gas

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C

Liquid

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D

Liquid & gas both

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Solution

The correct option is C Liquid
The graph above shows the heating curve of water. One can plot heating curves by measuring the increase in temperature of a given amount of ice, water or steam as a function of heat that is added at a constant rate.

At point S, it will be liquid.

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