SmartServe Ontario Practice Exam

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What is a common measurement unit for alcohol concentration in beverages?

Proof
Liters
Milliliters
Gallons

The correct answer is: Proof

The common measurement unit for alcohol concentration in beverages is proof. Proof is a system that quantifies the strength of alcoholic beverages, indicating the amount of alcohol contained in a drink. In North America, the proof value is typically calculated as twice the alcohol by volume (ABV) percentage. For example, a beverage that is 50% ABV is referred to as 100 proof. This standard helps consumers understand the potency of the alcohol they are consuming, making it an important reference for responsible drinking practices. In contrast, liters, milliliters, and gallons are measurements of volume rather than concentration. While these units can measure the amount of beverage being served, they do not provide information about the alcohol content itself. Thus, proof is the appropriate and commonly used term specifically associated with the concentration of alcohol in beverages.