Essential Chemistry for IGCSE - Biological Molecules (Section 2 - No. 49)
When is the concentration of ethanol in the mixture high enough to reach a point that can kill the yeast?
When 5% is present
When 10% is present
When 14% is present
When 20% is present
Explanation
The reaction will occur until about 14% ethanol is present, the yeast will then die off
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