A bag of self-raising flour with a tin of bicarbonate of soda (sodium hydrogen carbonate). Self-raising flour contains a chemical leavening agent such as baking powder (a blend of sodium hydrogen carbonate and a weak acid). When mixed into a dough,the leavening agent releases carbon dioxide,making the mixture less dense and providing a lighter baked product | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Bildgröße: | 4217 px × 4217 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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