Burning of a candle involves these changes: i. Vaporisation of liquid wax to form wax vapours, ii. Burning of wax vapour to give flame. Classify each of these changes as physical and chemical changes
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1 one is physical
2 one is chemical
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When a candle burns, both physical and chemical changes occur. Physical Changes: On heating, candle wax gets melted. Since it again turns into solid wax on cooling. ... Chemical Changes : The wax near flame burns and gives new substances like carbon dioxide, carbon soot, water vapour, heat and light.
Explanation:
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