Alkali refers to a subset of bases that are soluble in water, specifically those that produce hydroxide ions (OH⁻) when dissolved. Typically, alkalis consist of the hydroxides of alkali metals (like sodium hydroxide) and alkaline earth metals (like calcium hydroxide). In a broader context, alkalis can also be defined as any base that can neutralize an acid, resulting in the formation of salt and water.
Alkali means _________________________.
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