From Sherbert to Popping Sandwich Bags

From Sherbert to Popping Sandwich Bags

The appeal of sherbet as a children's sweet is twofold, first the taste which is a mixture of sweet (from the sugar), tart (from the citric acid) and provides a satisfying fizz on the your tongue, which food scientists call 'mouthfeel' from the reaction of citric acid with sodium bicarbonate. The mouthfeel fizz comes from the evolution of CO2 when the citric acid reacts with the sodium bicarbonate giving off CO2 as foam.


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Experiments you can do at home

Welcome to Dr Hal's Backyard Science, experiments you can try at home. These are experiments that you can try in your garden or house with parental permission and supervision. Each of them comes with some health and safety instructions that an adult must read. The text is reproduced by kind permission of Education in Chemistry a journal of the Royal Society of Chemistry.

The Experiments:


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