Changes Around Us: Physical and Chemical Changes

This topic from Living Science (Ratna Sagar) explores how matter changes around us, distinguishing physical changes — where only form or state alters — from chemical changes that produce new substances with different pro…

• A physical change alters form, shape, size, or state but not chemical composition.
• A chemical change produces one or more new substances with different properties.
• Melting, freezing, boiling, cutting, and dissolving are physical changes.

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