Sweeteners: Soft drinks contain high amounts of sugar needed to change the taste, and artificial sweeteners (aspartame) and (sukalose) may sometimes be used. Flavors: The addition of acids to soft drinks adds a bite to the person who drinks the soft drink, and this distinguishes the taste of soft drinks from other drinks. One of the acids used to add this sting is phosphoric acid and citric acid, as well as carbonated water, which is water that contains a second gas. Sure, dissolved carbon is under pressure, and caffeine is added as a stimulant. Preservatives: Some preservatives used in the formation of soft drinks (potassium sorbate and ascorbic acid). Dyes: orange soda and others are used to give a soft drink.