Multiple choice

In the manufacture of bread, the dough rises because of

  1. the action of heat in the baking process

  2. the capillary action of water in the dough

  3. the evaporation of water used in kneading the dough

  4. the releasing action of carbon dioxide formed during the fermentation process
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Bread dough rises because yeast performs fermentation, which consumes sugars and releases carbon dioxide gas. This gas gets trapped in the dough, causing it to expand.

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