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When a candle bums, both physical and chemical changes take place. Identify these changes. Give another example of a familiar process in which both the chemical and physical changes take place. |
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Answer» When a candle bums, both physical and chemical changes occur:
LPG is another example in which physical change occurs when LPG comes out of cylinder and is converted from liquid to gaseous state and a chemical change occurs when gas bums in air. |
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