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Water freezing into ice in a glass bottle is which change?

Answer and explanation

Correct answer: Physical change

When water freezes, only its physical state changes from liquid to solid; its chemical composition remains H₂O. Ice can be melted back into water, so this is a physical change. A chemical change forms a new substance, which does not happen here. Exam tip: changes of state such as freezing, melting and boiling are generally physical changes.

Related tags

ChemistryNature Of MatterPhysical ChangeChange Of StateFreezingClass 11Some Basic Concepts Of ChemistryClass 11 Mcq

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