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==Key Stage 4==
{{#ev:youtube|https://www.youtube.com/watch?v=akMLGbNA0gE}}
{{#ev:youtube|https://www.youtube.com/watch?v=zbZxFxXN6m4}}
===Meaning===
Use a range of tests to identify the presence of [[Carbohydrate]]s, [[Protein]]s and [[Lipid]]s in food samples.