10 most difficult alcohol riddles

Water gas is a mixture of carbon monoxide and hydrogen produced from synthesis gas. Synthesis gas is a useful product, but requires careful handling due to its flammability and the risk of carbon monoxide poisoning. The water-gas shift reaction can be used to reduce the carbon monoxide while producing additional hydrogen, resulting in water gas.

The popular term "rice wine" is a misnomer. Unlike wine, in which alcohol is produced by fermenting sugar that is naturally present in grapes, sake is produced by means of a brewing process more like that of beer. Thus, sake is technically "rice beer" rather than "rice wine."

Methanol has a much weaker sedative effect than ethanol, which leads the victim to drink more than it would normally do with ethanol. Methanol is oxidized to formaldehyde and then to the poisonous formic acid in the liver.

In slang, a Mickey Finn (or simply a Mickey) is a drink laced with a psychoactive drug or incapacitating agent (especially chloral hydrate) given to someone without their knowledge, with intent to incapacitate them. Serving someone a "Mickey" is most commonly referred to as slipping someone a mickey.

Baltic Porter is a very high alcohol, sweet, robust porter that originated in the Baltic states. Baltic Porter reflects both the character of original British Porters and the character of sweeter, highly alcoholic Russian Imperial Stouts.

Primitivo, zinfandel, tribidrag, crljenak kaštelanski, kratošija - red grape variety, originating in Croatia

Madeira is a fortified wine made in the Portuguese Madeira Islands, off the coast of Africa. To prevent the wine from spoiling, neutral grape spirits were added. Today, Madeira is noted for its unique winemaking process which involves heating the wine.

Frederick Louis "Fritz" Maytag III is the former owner of Anchor Brewing Company in San Francisco. His revival of Anchor Steam beer inspired many other brewers to follow, and he is often considered the father of modern microbreweries.

Blavod (blah-VOD) is a black British vodka. The brand was first launched in 1998 and is marketed on its unique black colour that derives from Catechu, an extract from the heartwood of Burmese catechu acacia trees. Catechu does not interfere with the characteristics of the vodka, imparting no additional flavour or odour and leaving no stains.

Altbier is a style of beer brewed in the historical region of Westphalia and around the city of Düsseldorf, Germany. Its name comes from it being top-fermented, an older method than the bottom fermentation of other lagered beers. Altbier is usually a dark copper colour. It is fermented at a moderate temperature using a top-fermenting yeast.