Baking scones

Foods containing flour must be baked before they can be eaten, to enable the starch in the flour to become digestible. Cakes and bread contain

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Boiling dumplings

Students carry out practical activities to investigate raising agents, and how they are affected by different pH. Carbon dioxide is needed to make the dumplings

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Citric acid

Foods like oranges, lemons, yogurt and apples have a sharp taste because they contain naturally occurring acids. Citrus fruits contain citric acid, apples contain malic

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