What is meant by strong bases and weak bases ? Classify the following into strong bases and weak bases :

NH4OH, Ca(OH)2 , NaOH, KOH, Mg(OH)2

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1 Answers

Strong base: A base which completely ionises in water and produces a large amount of hydroxide ions.

Weak base: A base which is partially ionised in water and produces a small amount of hydroxide ions.

Strong bases: NaOH , KOH

Weak bases:NH4OH, Ca(OH)2 Mg(OH)2

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