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These resources have been reviewed and selected by STEM Learning’s team of education specialists for factual accuracy and relevance to teaching STEM subjects in UK schools.

Acidulants

This resource can be used to demonstrate an understanding of the use of acids and alkalis in the food and drinks industry. A series of activities involving the preparation of sherbet, scones and dumplings using raising agents illustrate the function of acidulants. The flavouring and preservative nature of citric acid is investigated and a quantitative titration determines actual acidity (pH) levels in common foods and drinks.

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