1.

"All alkalis are bases, but not all bases are alkalis”. Justify this statement.

Answer»

Solution :BASES react with acids to NEUTRALISE them. Some are insoluble. Soluble bases are called Alkalis. For example CuO (copper OXIDE) does not dissolve in water, therefore it.s a base. Generally hydroxides of ALKALI metals and alkaline earth metals are called alkalis.


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