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level: raising agent

Questions and Answers List

level questions: raising agent

QuestionAnswer
what is yeast and how is it a raising agent?it is a microorganism that release carbon dioxide and alcohol through the process of fermentation to help bread dough rise
yeast is a _______ raising agentbiological
describe the process of proving dough that contains yeast.1. let them sit in a warm environment and let fermentation happen 2. carbon dioxide is released gets trap and dough rises 3. when dough is bake, high heat kills yeast and end fermentation 4. causing CO2 in dough to enpand and alcohol to evaporate
what is bicarbonate of sodasan alkali raising agent that breaks down when heated. CO2 bubbles form, and when they expand, mixture rises
what is baking powder?conteians bicarbonate and cream of tartar (acidic substance). Heating it causes to neutralise
what is self raising flour?flour + baking powder
in what 2 foods are steam and air used?puff pastry, Yrokshire pudding
how does steam work?-when very liquidy mixture are cooked in hot ovens, water escapes as steam. The rising steam helps to raise mixture -mixture bakes and slidfy as water escape. If open oven, mixture sinks
give some examples of the ways to add air into food (mechanical process)folding pastry into layers, folding technique for mixture, creaming, shortening, sieving, whisking