Which of the following is a characteristic of a physical change?

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Physical changes alter the form, state, or appearance without changing chemical identity. They are usually easily reversible (e.g., freezing/melting). Chemical changes produce new substances and are often irreversible (e.g., burning). Physical: crushing, dissolving, boiling. Chemical: rusting, cooking, digestion.

Which of the following is a characteristic of a physical change? MCQ with Answer and Explanation

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