22kelley
22kelley 22kelley
  • 02-02-2017
  • Chemistry
contestada

when yeast is added to bread dough, it produces carbon dioxide. the pressure of the gas causes the dough to expand. explain how the rising of dough is an example of both a physical and a chemical change.

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sciencific
sciencific sciencific
  • 03-02-2017
production of carbon dioxide is chemical change
expansion of dough because of the pressure is physical change
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