Question

how are alkalis prepared ​

Answer 1

Answer

Alkalis are all Arrhenius bases, ones which form hydroxide ions (OH−) when dissolved in water. ... Alkalis are normally water-soluble, although some like barium carbonate are only soluble when reacting with an acidic aqueous solution.

Answer 2

$\huge\mathfrak{Answer}$

As ashes are mixed with water used for cleaning products and are made of alkali materials. It is a basic hydroxide or ionic salt of an alkali metal or alkaline earth metal element which is soluble in water. They are strong bases that turn red litmus paper to blue; they react with acids to form salts.