1.5 ounces of 80-proof scotch has the highest alcohol content among the given options.
1.5 ounces of 80-proof scotch contains the most alcohol among the options given. Scotch with 80-proof means it is 40% alcohol content. Comparatively, the 12-ounce bottle of regular beer contains about 5% alcohol content, 8-ounce glass of craft beer contains about 7% alcohol content, and a 5-ounce glass of Chardonnay contains about 12% alcohol content. Therefore, 1.5 ounces of 80-proof scotch has the highest alcohol content.
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