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Question
Stainless steel is an alloy of _______.
Options
copper
tin
zinc
iron
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Solution
Stainless steel is an alloy of iron.
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regions on iron surface become anode and cathode.
Reaction on anode region :
`F_e(s) → Fe^(2+) (aq) +2e^-`
Reaction on anode region :
`O_2(g) + 4H^+(aq) +............................ → 2H_2 O (l) `
When Fe2+ ions migrate from anode region they react with ................... to form Fe3+ ions.
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`2Fe_(3+) (aq) + 4H_2O(l) → ................. + 6H_+(aq) `
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