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Question

The changes taking place in the following processes can be categorised under which of the following categories?

A
Reversible
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B
Physical
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C
Chemical
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D
Irreversible
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Solution

The correct options are
A Reversible
B Physical
Continuous application of heat to ice cause the ice to melt into water. Further application of heat converts the water into steam. However, on cooling, the steam can be converted back into water and then into ice on further cooling. Thus, we observe that there is only a change in the physical state of the water and; this entire process is reversible.
Hence, it is a reversible physical process.

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