how all bases are different from alkali? Do all bases are alkali ?
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Bases are substances that react with acids and neutralise them. They are usually metal oxides, metal hydroxides, metal carbonates or metal hydrogen carbonates. Many bases are insoluble - they do not dissolve in water. If a base does dissolve in water, we call it an alkali.
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What is a base ?
A base is a substance which reacts with the hydronium ions of an acid to give salt and water only.
What is an alkali ?
An alkali is a substance which contains hydroxyl ion as the only negatively charged ion.
O An alkali is soluble in water.
O A base may or may not be soluble in water .
O All bases are NOT alkalis.
O But all allkalis are bases.
We can say that all soluble bases are alkalis.
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