Changes Around Us: Physical and Chemical — Science STD 7 — Question
Gujarat BoardEnglish MediumSTD 7ScienceChanges Around Us: Physical and Chemical2 Marks
Question
Burning of candle involves both physical and chemical change. Justify this statement.
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Answer
The burning of a candle involves both physical and chemical changes because the melting of wax is a physical change, while the burning of wax produces new substances like carbon dioxide and water vapour, which is a chemical change.
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