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Question

The following is not a noble metal


A
Au
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B
Cu
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C
Ag
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D
Pt
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Solution

The correct option is C Cu
The noble metals are those metals that are resistant to corrosion and oxidation in moist air, unlike most base metals. The noble metals are most commonly considered to be ruthenium, rhodium, palladium, silver, platinum and gold. Copper is not considered to be a noble metal.

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