Emulsifiers in the kitchen

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A close-up photograph of a glass test tube containing water and oil

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Test a range of common ingredients to see which ones stabilise an oil and water emulsion in this class practical. Includes kit list and safety instructions.

A mixture of oil and water usually separates quickly, but a range of substances act as emulsifiers. In this simple activity, students test a range of substances commonly found in the kitchen to see which ones stabilise an oil and water emulsion. 

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