Question

which one is the corrosion resistant​

Answer 1

Explanation:

Copper and copper–nickel alloys – an overview

CuNi alloys are amongst the most corrosion-resistant materials. They resist humidity, non-oxidising acids, caustic and salt solutions, organic acids and dry gases like oxygen, chlorine, hydrochloric and fluorochloric acid, sulphur dioxide and carbon dioxide.

Answer 2

Copper and copper–nickel alloys – an overview

CuNi alloys are amongst the most corrosion-resistant materials. They resist humidity, non-oxidising acids, caustic and salt solutions, organic acids and dry gases like oxygen, chlorine, hydrochloric and fluorochloric acid, sulphur dioxide and carbon dioxide.