Question

what is the difference between base and alkali​

Answer 1

Answer:

Alkali is subset of base.

All alkalis are base.. But all bases are not Alkali. Ammonia is a base, soluble in water, but not a salt, so it is not an alkali. Magnesium hydroxide is a base, is a salt of an alkaline earth metal, but it is not soluble in water, so it is not an alkali.

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Answer 2

Answer:

A base is a metal hydroxide a metal oxide or ammonium hydroxide that reacts with an acid to give salt and water. Eg. CaO, Pb(OH)2

An alkali is a base that produces OH- ions when added to water. Eg. NaOH, KOH

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