Question

6. Why does dough mixed with yeast powder increases in volume and swell?
7. Why a bread becomes porous and spongy?​

Answer 1

Answer:

6) because the yeast powder is done by a bacteria called yeast

this help the dough to raise and swell

7) in the pic

Explanation:

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Answer 2

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6. This happens because yeast added to dough reproduces rapidly, and produces carbon dioxide gas while respiring. This gas fills the dough and increases its volume making it to rise and swell.

7. A bread becomes porous and spongy because when the dough Rises up due to the production of CO2 bubbles by the yeast , the carbon dioxide gas escapes forming holes or pores in the bread and thus making it spongy.

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