Essential Chemistry for IGCSE - Metal Extraction (Section 3 - No. 22)
Why are stainless steels resistant to corrosion?
They contain a high percentage of carbon.
They are coated with a protective layer of zinc.
They contain chromium.
They are not exposed to air and water.
Explanation
Chromium forms a protective oxide layer, making stainless steel resistant to corrosion.
Comments (0)
