Carbonated drink with carbonated water, both chilled. Carbonation levels range up to 5 volumes of CO per liquid volume. Ginger ale, colas, and related drinks are carbonated with 3.5 volumes. Other drinks, often fruity ones, are carbonated less. Carbonated drink Carbonated drinks are beverages that contain dissolved carbon dioxide. The dissolution of CO in a liquid, gives rise to "fizz" or "effervescence". The process usually involves carbon dioxide under high pressure. When the pressure is removed, the carbon dioxide is released from the solution as small bubbles, which causes the solution to become effervescent, or fizzy. A common example is the dissolving
Cask ale while the middle and upper classes could indulge themselves with such expensive luxuries, the ordinary folk continued to drink their beer served direct from the cask. India Pale Ale (IPA), the famous ale that was shipped to India, was delivered in casks, and only transferred to the bottle for the civilian middle classes; the troops drank their beer the same way they drank it back home, from flagons filled direct from the cask. But as beer developed and became paler and lower in alcohol, so it became more difficult to keep it fresh tasting in the cask, especially in countries