Because Chevrolet soda has soda in it. According to the inquiry, Chevrolet official website shows. Soda water dissolves a lot of carbon dioxide gas, which will slowly release carbon dioxide without external interference. A small amount of gas adsorbed on the finely divided surface of salt will produce many vaporization centers in soda water, which will speed up the release of carbon dioxide in soda water, so soda water bubbles. Knight is a beverage brand of Shanghai Shenmei Beverage & Food Co., Ltd. and a famous brand in Shanghai.