Which of these is an irreversible physical change?

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Rusting of iron

Freezing of ice

A double decomposition reaction

Breaking of a glass tumbler

answer is D.

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Detailed Solution

Breaking of a glass tumbler is an irreversible physical change.
Change is said to be physical or chemical depending on whether a new substance is formed. Physical change is the one in which no new substance is formed with new properties. For example, breaking a glass tumbler is an irreversible physical change because while breaking a tumbler no new substance is formed but at the same time, it cannot be converted back to its original state. Therefore, it is an irreversible physical change.

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