Question

name the chemical present on the surface of aluminum utensils which prevents their

further corrosion. Write its chemical formula​

Answer 1

Answer:

Corrosion resistance of aluminium is due to formation of thin layer of aluminium oxide that forms when metal is exposed to air and prevents further oxidation. It is called as protective passivation.

Explanation:

Fe2+ + 2 H2O ⇌ Fe(OH)2 + 2 H. Fe3+ + 3 H2O ⇌ Fe(OH)3 + 3 H. From the above equations, it is also seen that the corrosion products are dictated by the availability of water and

oxygen.

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