tatkongau Posted April 17, 2016 Share Posted April 17, 2016 A Hong Kong Teacher burning sugar and soda on a bowl of sand with alcohol, what is the chemistry behind and why it should be done on sand? Link to comment Share on other sites More sharing options...
Keyui Posted May 10, 2016 Share Posted May 10, 2016 He just used sand to create a platform that protects table from heat. It's a simple reaction of soda and sugar in a ration of 4:1 Link to comment Share on other sites More sharing options...
John Cuthber Posted May 11, 2016 Share Posted May 11, 2016 It is much easier to throw away the sand than to clean the bowl. Link to comment Share on other sites More sharing options...
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