Is bread rising a physical change. It is a mixture of substances that can undergo physical and chemical changes. Chemistry Of Baking Is Baking A Cake A Chemical Change Activity Education Com Food Science Experiments Baking Science Food Science Toasting bread is a chemical change since changing the bread to toast cannot be reversed. . Melting cheese does not change its chemical composition tho it permanently alters its texture and will to a greater or lesser extent separate its components ie. Bread is not a change. Bake bread according to the recipe instructions. Answer 1 of 4. The carbon dioxide expands as the dough is warmed and causes the dough to rise. Pretty much everything changed inside of it. However the actual rising of the bread is simply caused by the expansion of carbon dioxide which is a physical process. A chemical reaction releases carbonic gas carbon dioxide which makes the dough rise an irr...
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