Which change is a chemical change?
AMelting of ice
BBurning of paper
CBoiling of water
DDissolving sugar in water
Answer & Solution
Correct answer: B. Burning of paper
1. Chemical changes form new substances with new properties.
2. Burning of paper produces ash, smoke and gases.
3. The original paper cannot be recovered.
4. The other three are physical changes (state or solubility).
5. So burning of paper is a chemical change.
_Source: Selina Concise Physics ICSE Class 8, Ch 1 'Matter'_
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