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Grinding chalk into powder is what type of change?

Answer and explanation

Correct answer: Physical change

When chalk is ground, only the size and shape of its particles change; its chemical composition, mainly calcium carbonate, remains unchanged. Therefore, it is a physical change. In a chemical change, a new substance is formed, which does not happen here. Exam tip: If only size, shape, or state changes and no new substance forms, it is a physical change.

Related tags

ChemistryNature Of MatterPhysical ChangeChemical ChangeChalkClass 11Some Basic Concepts Of ChemistryClass 11 Mcq

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