1.

What do you understand by an alkali? Give two examples of:(a) strong alkalis(b) weak alkalis

Answer»

An alkali is a basic hydroxide which when dissolved in water produces hydroxyl ions (OH-) as the only negatively charged ions.

(a) Strong alkalis: Sodium hydroxide , Potassium hydroxide

(b) Weak alkalis: Calcium hydroxide , Ammonium hydroxide



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