Quick Comparison: Physical Changes vs Chemical Changes

Last updated at April 25, 2026 by

Property Physical Changes Chemical Changes
New substance formed No new substance New substance formed
Reversibility Usually reversible Usually irreversible
Chemical composition Remains same Changes completely
Examples Melting, folding, crushing Burning, rusting, cooking
Energy changes Usually small Often heat/light produced
Combustion Process Requirements Fire Triangle Fuel + Oxygen + Heat Combustion + Light + Heat
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CA Maninder Singh is a Chartered Accountant with 16+ years of practical experience and 20+ years of teaching experience. At Teachoo, he simplifies Accounts, Tax and GST with step-by-step examples so students can apply concepts confidently in exams and real life.

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