potassium acid carbonate
Definition
Noun 1. A white, crystalline salt: Potassium acid carbonate is the chemical compound with the formula KHCO₃. It is a source of carbon dioxide and is used in baking powder to make dough rise and as an antacid to relieve heartburn or indigestion.
Usage Examples
- The recipe calls for potassium acid carbonate as the leavening agent.
- This medication contains potassium acid carbonate to neutralize stomach acid.
Advanced Usage
- Chemical Context: In chemistry, potassium acid carbonate is also known as potassium hydrogen carbonate. It is an intermediate in the industrial production of potassium carbonate.
- Example: The process involves converting potassium carbonate to potassium acid carbonate in the presence of carbon dioxide and water.
Variants and Related Words
- Potassium bicarbonate: This is the more common, systematic name for the same compound (KHCO₃). The terms "potassium acid carbonate" and "potassium bicarbonate" are used interchangeably.
- Baking soda: While often confused, baking soda is sodium bicarbonate (NaHCO₃), not potassium bicarbonate (KHCO₃). They are related but chemically distinct compounds.
Synonyms
- Potassium bicarbonate
- Potassium hydrogen carbonate
Related Phrases
- Leavening agent: A substance used in dough to produce gas and cause it to rise. Potassium acid carbonate functions as one.
- Antacid: A substance that neutralizes stomach acidity. Potassium acid carbonate has antacid properties.
Noun
-
a crystalline salt (KHCO3) that is used in baking powder and as an antacid
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