Soda is a term used for
sodium-containing
chemical compounds.
Soda ash,
sodium carbonate,
washing soda[?],
sal soda[?],
sodium carbonate decahydrate[?],
baking soda,
sodium hydrogen carbonate[?],
sodium hydroxide, and
soda water are all examples. Percentage of soda expressed in analyses of chemicals is for sodium oxide (Na
2O).
Soda or Soda pop is often used to refer to a soft drink.