Carbonation occurs when carbon dioxide's dissolved in water or an aqueous solution. This process yields the "fizz" to carbonated water and sparkling mineral water, the head to beer, and the cork pop and bubbles to champagne and sparkling wine. Effervescence Effervescence's the escape of gas from an aqueous solution. The term's used to describe the foaming or fizzing that results from a mbox_2 In simple terms, it's the result of the chemical reaction occurring in the liquid which produces a gas… (More on Carbonation)