MCQ
Which metal is protected by a layer of its own oxide
- ✓$Al$
- B$Ag$
- C$Au$
- D$Fe$
✓
Answer
Correct option: A.
$Al$
a
Aluminium in air is ordinarily protected by a molecule-thin layer of its own oxide. This aluminium oxide layer serves as a protective barrier to the underlying aluminium itself and preventing chemical reactions with the metal.
Aluminium in air is ordinarily protected by a molecule-thin layer of its own oxide. This aluminium oxide layer serves as a protective barrier to the underlying aluminium itself and preventing chemical reactions with the metal.
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