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Which of the following metal protects itself by forming its oxide on the surface? A. Al B. Si C. Fe D. Au

Which of the following metal protects itself by forming its oxide on the surface?
A. Al
B. Si
C. Fe
D. Au

 

Grade:12th pass

1 Answers

Vikas TU
14149 Points
4 years ago
Dear student 
Gold (Au) Protect itself by forming oxide layer .
Al form aluminium oxise , Silicon form Silicon dioxide and 
Iron form Fe2O3 
D is the correct ans . 
Good luck 

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