Mountain Dew is a caffeinated, sweet, citrus-flavored soft drink produced by PepsiCo, Inc. The main formula was invented in Marion, Virginia, named and first marketed in Johnson City, Tennessee and Knoxville, Tennessee in 1948, then by the Minges family in Fayetteville, North Carolina and across the United States in 1964. When removed from its characteristic green bottle, Mountain Dew is bright yellowgreen and semi-opaque. As of 2006, Mountain Dew was the fourth-best-selling carbonated soft drink in the United States, behind only Coca-Cola Classic, Pepsi-Cola, and Diet Coke. Diet Mountain Dew ranked ninth in sales in the same year. Ingredients Mountain Dew lists its ingredients as: Carbonated water High fructose corn syrup (HFCS) Concentrated orange juice and other natural flavors Citric acid Sodium benzoate (preserves freshness) Caffeine (55.2 mg per 12 oz. [approx 355ml]) Sodium citrate Gum arabic Erythorbic acid (preserves freshness) Calcium disodium EDTA (to protect flavor) Brominated vegetable oil Yellow 5 10. What chemicals are in a glow light? The glow light is made of two parts which when mixed together create the chemical reaction which makes them glow. 4g sodium carbonate 0.2 g luminol 0.5 g ammonium carbonate 0.4 g copper sulfate pentahydrate approx. 1 litre of distilled water. 50 ml of 3% hydrogen peroxide approx. 1 litre of distilled water.