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Chemistry · Oct / Nov 2019 · Paper 11 · Question 25

5070Transition elements

Part of the Periodic Table shows the positions of four elements. These are not the elements' actual symbols. Which element has a high melting point and a variable oxidation state?

  1. AA
  2. BB
  3. CC
  4. DD

As printed in the paper

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Correct answer: C. C

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