How will you show that the candle has both physical change and chemical change?
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When a candle burns, both physical & chemical changes occur. On heating, candle wax melts and form liquid wax. It is a physical change. ... When a candle is burnt in air, the mass of the product is increased due to atmospheric oxygen which show a that it is a chemical change.
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When a candle burns, both physical & chemical changes occur. On heating, candle wax melts and form liquid wax. It is a physical change. ... When a candle is burnt in air, the mass of the product is increased due to atmospheric oxygen which show a that it is a chemical change.
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