General Knowledge Question and Answers 26 November 2020: Set 4

  • Question 21 :
  • Why are noble metals so named?

  • Because they are expensive
  • Because they are generally resistant to corrosion and oxidation
  • Because they are rarely found in the earth
  • Because they are more malleable and ductile than others
General Knowledge Question and Answers 26 November 2020: Set 4
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