A brief history of alcohol - Rod Phillips

What compound is produced by yeasts when they feed on fruit sugars, which is the type of alcohol found in alcoholic beverages?

• Methanol

• Ethanol

• Propanol

• Butanol

What is the process called when yeast consumes fruit sugars and produces alcohol?

• Distillation

• Fermentation

• Oxidation

• Digestion

What was the main reason ancient fermented beverages typically had a low alcohol content, around 13%?

• They didn't have enough sugar to make it stronger.

• The yeast would die when the alcohol level became too high.

• They preferred less alcoholic drinks.

• The containers they used couldn't hold stronger alcohol.

How does the process of distillation create more concentrated alcoholic beverages?

• It adds extra sugar to the fermented liquid.

• It boils the liquid to remove all the water.

• Alcohol vaporizes at a lower temperature than water, allowing it to be separated and collected.

• It uses special chemicals to increase alcohol content.