General Science - Physics (Basics)Which of the following changes is an example of a physical change?ABurning of paperBMelting of iceCRusting of ironDDigestion of foodCheck Answer
Step-by-Step SolutionStep 1: Understand physical vs chemical changesPhysical changes do not form new substances; chemical changes do.Step 2: Analyze optionsMelting of ice is a physical change (solid to liquid), no new substance formed; burning, rusting, digestion are chemical changes.Final Answer:Melting of ice → Option BQuick Check:Physical change example = Melting of ice ✅Quick Trick: Physical changes are reversible and no new substance forms.Common Mistakes:MISTAKESConfusing physical changes with chemical changes due to visible change.
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