Essential Chemistry for IGCSE - Biological Molecules (Section 1 - No. 24)
What happens to the concentration of ethanol if the ethanol concentration reaches a certain level?
The yield will increase.
The yield will decrease.
The ethanol yield will continue to rise.
The yeast will become more efficient.
Explanation
Ethanol concentration above a certain level will kill the yeast and the fermentation will stop.
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