Given the reactions (i) Fe(s) + X(NO3)2(aq) → Fe(NO3) + X(s) (ii) H2(g) + XO

Chemistry JAMB 1988

Given the reactions (i) Fe(s) + X(NO3)2(aq) → Fe(NO3) + X(s) (ii) H2(g) + XO → X + H2O(s); X is likely to be?

  • copper checkmark
  • zinc
  • calcium
  • lead

The correct answer is: A

Explanation

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