Rainbow fizz revisited: pH, indicator, acid–base demonstrations

I always ask my outgoing sixth formers what activities they found the most memorable from their time at school.Almost without fail, ‘rainbow fizz’ is mentioned – an introductory acid–base practical that gives students a look at indicators and neutralisation. This got me thinking – if it’s so memorable, is it worth repeating for older students?

Read the article that accompanies this video in the May 2016 issue of Education in Chemistry at http://rsc.li/EiC316ec

This is part of the Education in Chemistry Exhibition Chemistry series: chemistry demonstrations to capture your students' imaginations: http://rsc.li/EiCExChem

Image credits
0:33 Beakers by Dejan Jovic DJ (Own work) [CC BY-SA 4.0 (http://creativecommons.org/licenses/by-sa/4.0)], via Wikimedia Commons: https://upload.wikimedia.org/wikipedia/commons/b/b1/Skala_boja_2.JPG
0:41 0:33 Beakers by Dejan Jovic DJ (Own work) [CC BY-SA 4.0 (http://creativecommons.org/licenses/by-sa/4.0)], via Wikimedia Commons: https://commons.wikimedia.org/wiki/File:Skala_boja_2.JPG
0:41 Vinegar by Goelles Alois (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons: https://commons.wikimedia.org/wiki/File%3AG%C3%B6lles_Essig.jpg
0:47 Water tap by Matthew Bowden www.digitallyrefreshing.com (http://www.sxc.hu/photo/158242) [Attribution], via Wikimedia Commons: https://commons.wikimedia.org/wiki/File%3AWasserhahn.jpg
0:49 Cleaning products by THK18 (Own work) [CC BY-SA 4.0 (http://creativecommons.org/licenses/by-sa/4.0)], via Wikimedia Commons: https://commons.wikimedia.org/wiki/File:ALL_PRODUCT.jpg

Видео Rainbow fizz revisited: pH, indicator, acid–base demonstrations канала Royal Society Of Chemistry