Q.

When water freezes

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a

Phase change occurs from a liquid phase to solid phase

b

The liquid water changes from a random structure to a crystalline solid

c

An exothermic process occurs where energy is lost from ice to the surroundings

d

All of the above

answer is D.

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Detailed Solution

When water freeze up phase change is occurred from liquid state to solid form. During the formation of ice, heat energy is released from water particles (K.E decreases). Hence it is an exothermic process.

Water(l)Freezing Ice(s)+Energy

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