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15y ago

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Is yeast physical science or chemical science?

Chemical science, because yeast is irreversible. Chemical Change: Irreversible Physical Change: Reversible


Is flour eggs and yeast to bread a physical or chemical change?

Flour eggs is physical and yeast to bread chemical


Is mixing yeast and sugar chemical or physical change?

Mixing yeast and sugar is a physical change, as the yeast and sugar molecules remain the same even though they are combined. A chemical change would occur if the yeast and sugar reacted together to produce a different substance, such as carbon dioxide during fermentation.


Is yeast causing bread to rise is a physical or chemical change?

Yeast rising bread works because yeast (an organism) converts starch to carbon dioxide which makes bread grow. This can be seen as a chemical reaction (yeast converting starch to CO2 gas) or a physical reaction (the CO2 making the bread expand).


Is Brewing beer a physical or chemical change?

Brewing beer involves both physical and chemical changes. Physical changes include crushing grains and boiling water, while chemical changes occur during fermentation when yeast converts sugars to alcohol and carbon dioxide.


Formation of ethanol from glucose by yeast a chemical or physical change?

The formation of ethanol from glucose by yeast is a chemical change. This process involves the fermentation of glucose by yeast to produce ethanol and carbon dioxide, resulting in a new substance with different chemical properties than the original glucose.


Is bread rising when yeast is added a physical or chemical change?

A chemical change Because it takes plave in an oven and the yeast is rising without human help


Is mixing flour and yeast a physical or chemical change?

This is a chemical change because it has all the characteristics of one. The color changes, the texture changes, new stuff is created, and you can't separate by physical means. It is chemical.


Grape juice turns to wine chemical or physical change?

Grape juice contains mostly glucose (C6H12O6) and wine also has ethanol (C2H5OH). The ethanol is produced by fermentation of glucose by yeast cells. This is a chemical change.


What are the physical and chemical properties of yeast?

enzymes


Is Stomach acid dissolving pizza a physical or chemical change?

There are some chemical aspects:base is made from flour and yeast,so the reaction between them is a chemical change.The cooking of the pizza is also a chemical reaction, because it cannot be undone.There are also some physical aspects, e.g.Making the doughgrating the cheesemelting the cheese


Bread dough rises when yeast is added physical or chemical?

It IS chemical, but it's not a heat reaction. It's respiration. Yeast is a living organism, which consumes sugar and excretes CO2 and alcohol. - - - - - chemical, because its reacting with heat & that always means chemical. it just includes a physical change..