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Observations That Indicate a Chemical Change

Which of thes...

Question

Which of these is an irreversible physical change?

(a) rusting of iron
(b) freezing of water
(c) a double decomposition reaction
(d) breaking of a glass tumbler

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Solution

(d) breaking of a glass tumbler
Breaking of a glass tumbler is an irreversible physical change. Rusting of iron is a chemical change. Freezing of water is a reversible physical change. A double decomposition reaction is a chemical change.

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Observations That Indicate a Chemical Change

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