Which metal is protected by a layer of its own oxide?
A
Al
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
Ag
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
Au
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
Fe
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is BAl 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.