The acidity or basicity of an aqueous solution is specified by the scale is called pH scale. Its Is LiOH a weak base.
Arrhenius bases, Brnsted bases, and Lewis bases are the three definitions of bases that are frequently used in chemistry. According to all definitions, bases are chemicals that react with acids, as G.-F. Rouelle first suggested in the middle of the 18th century.
Svante Arrhenius proposed in 1884 that a base is a chemical that separates into Hydroxide ions (OH) in aqueous solution. In an acid-base reaction, these ions can combine with hydrogen ions (H+, according to Arrhenius) produced during the dissociation of acids to create water. Therefore, a base was a metal hydroxide like NaOH or Ca(OH)2. These aqueous hydroxide solutions also have a few distinguishing characteristics.
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