Question

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Answer 1

Answer:

Temperature vs time graph:

i. In this graph, line AB shows conversion of ice into water at constant temperature. Thus, AB represents: ice + water

ii. The temperature remains constant during this transition. This transition temperature at which ice changes to water is called melting point of ice.

iii. Line BC shows the rise in temperature of water from 0° to 100° C. This line represents: solid state → liquid state.

iv. Thereafter, heat energy is supplied to water. The heat energy absorbed by water which is used to break the bonds of liquid molecules and convert the liquid into gaseous state.

v. Point C represents: liquid state → gaseous state

vi. The constant temperature at which the liquid transforms into gaseous state is called the boiling point of the liquid.

vii. In last, the water completely changes to vapor.

viii. This whole process is called latent heat of vaporization.

Explanation:

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Answer 2

Explanation:

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