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Which of the following is an indication of a chemical change?

Answer and explanation

Correct answer: Formation of a new substance

In a chemical change, a new substance with different properties is formed. Therefore, formation of a new substance indicates a chemical change. In contrast, melting of ice is only a change of state: it remains water and no new substance is produced. Evaporation of water and breaking of glass are also physical changes.

Related tags

Chemical ReactionsChemical ChangePhysical ChangeReaction IndicatorsClass 10 Science

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