In baking biscuits and other quick breads, the baking powder reacts to release carbon dioxide bubbles. The carbon dioxide bubbles cause the dough to rise. Physical or Chemical change? Give a reason why.
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Explanation:
In baking biscuits and other quick breads, the baking powder reacts to release carbon dioxide bubbles. The carbon dioxide bubbles cause the dough to rise.
CHEMICAL
A new gas is produced which makes the biscuits rise.
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The rise of dough due to the formation of Carbon-di-oxide bubbles is a chemical change.
- While adding baking powder to the flour to make biscuits and bread, the baking powder reacts with the flour and water to release Carbon-di-oxide gas.
- Thus, a chemical reaction takes place. This is because, baking powder is chemically called a mixture of Sodium-bicarbonate, and cream of cornstarch and tartar.
- Adding up baking powder enhances the texture of the bread and biscuits and makes them soft and delicious.
- When this chemical substance on undergoing a chemical reaction released Carbon-di-oxide gas bubbles. This results in the rise of the dough.
- As a chemical reaction takes place in this process, a chemical change is involved.
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