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Which of the following is not an alkali sodium hydroxide calcium hydroxide aluminium hydroxide​

Answer»

Hi! Sodium hydroxide is a salt, salts are compounds formed by netralisation of an acid by a BASE, THUS they are NEITHER ACIDIC, not basic, which makes them a base. Aluminium hydroxide is a weak base, and since base is another WORD for alkali, aluminium hydroxide is a weak alkali. Calcium hydroxide is also an alkali.



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