sal soda
Definition
- Noun:
- A sodium salt of carbonic acid: A chemical compound, specifically sodium carbonate, used in various industrial processes. It is often found in a crystalline form.
Examples of Usage
- Noun:
- The old recipe for homemade soap called for sal soda as a key ingredient.
- Manufacturers of glass and paper have historically used large quantities of sal soda.
Advanced Usage
- Technical/Historical Context: The term "sal soda" is an older, common name for sodium carbonate decahydrate (Na₂CO₃·10H₂O). It is less common in modern technical language, where "washing soda" or "soda ash" (for the anhydrous form) are more frequently used.
- In the 19th century, sal soda was a common household cleaning agent.
Variants and Related Words
- Washing soda: A more common modern name for the same compound, typically referring to the decahydrate form used for cleaning.
- Soda ash: The anhydrous (water-free) form of sodium carbonate, used primarily in industrial manufacturing.
- Sodium carbonate: The systematic chemical name for the compound.
Synonyms
- Washing soda
- Sodium carbonate (technical synonym)
Related Phrases
- Not applicable: As a specific chemical compound name, "sal soda" does not commonly form phrasal verbs or idioms.
Noun
-
a sodium salt of carbonic acid; used in making soap powders and glass and paper
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