Question

-------- is a model that has high resistance to corrosion​

Answer 1

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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

$\huge\colorbox{purple}{Answer}$

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.