Answer:
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Explanation:
Aluminium is an amphoteric metal. This means that it reacts with both acids and bases. This property of aluminium is important in the discussion below.
Aluminium cookers can not be used to cook acidic food because it will react with the food and this is not good both for the food and the cooker.
Also, It is not possible to clean an aluminium pot with sodium hydroxide because the sodium hydroxide will react with the pot yielding hydrogen gas since aluminium is amphotheric as follows;
2Al + 2NaOH + 2H2O → 2NaAlO2 + 3H2
Aluminum has been the metal of group 13 of the periodic table. Aluminum has been reacting with capability with both acids and bases.
A. The acidic food has not been cooked in the aluminum wares with the ability of Aluminum to react with the acid of the food and change the chemical composition.
B. The aluminum can react with the bases and acids. The reaction of aluminum with NaOH has resulted in the liberation of hydrogen gas with the formulation of sodium tetrahydroxoaluminate.
The compound has been easy to clean, and thus NaOH solution is used for cleaning and etching of aluminum.
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