Multiple choice general knowledge science & technology

choose the odd one

  1. gold

  2. palladium

  3. silver

  4. copper

  5. platinum
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Gold, palladium, silver, and platinum are all noble metals - highly resistant to corrosion and oxidation. Copper is a base metal that tarnishes and corrodes more readily. Copper is also significantly more reactive and has different chemical properties compared to the noble metals listed.

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