vätska ålder I behov av melting candle wax physical or chemical George Stevenson amplitud Skinande
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Look at Figure which shows three situations a a burning candle b an extinguished candle c melting wax. Which of these shows a reversible change and why?
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PHYSCIAL CHANGES When a substance changes form or state. (although the substance remains the same) Example: The chocolate dip ice cream cone. LIQUID. - ppt download
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Look Figure which shows three situations (a) A burning candle(b) An extinguished candle(c) Melting wax. Which of these shows a reversible change and why?
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