Question

two bases which are not alkalis but dissolve in alkalis

Answer 1

heya..
here is Ur answer...
For example, copper(II) oxide is a base because it can neutralise acids but, because it does not dissolve in water, it is not an alkali. Examples of alkalis include: sodium hydroxide. potassium hydroxide.
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Answer 2

Zinc hydroxide is not an alkali but dissolve in strong alkali as it does not dissolve in water