Question

define a base and explain that all alkalis are bases but all bases are not alkalis​

Answer 1

Answer:

A substance that neutralizes an acid is a base and that soluble in water is an alkali. However, all bases are not soluble in water. Thus, All alkali are bases but all bases are not alkali

Answer 2

Answer:

The name of a base that is not alkali is copper oxide because the base, copper oxide reacts with acid to neutralize them but it is not water-soluble.