Alkali
Alkali, water-soluble compound of an alkali metal that acts as a strong base and neutralizes acids. Common alkalis are sodium hydroxide (NaOH), ammonia (NH3), and sodium carbonate (Na2CO3). Alkalis are used to manufacture glass, soap, paper, and textiles.
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21st Century Webster's Family Encyclopedia21st Century Webster's Family Encyclopedia - Alabama to Anderson, Dame Judith