Samples of four metals A, B, C and D were taken and added to the following solution one by one. The results obtained have been tabulated as follows : Use the table above to answer the following questions about metals A, B, C and D.
  1. Which is the most reactive metal ?
  2. What would you observe if B is added to a solution of Copper (II) sulphate ?
  3. Arrange the metals A, B, C and D in the order of reactivity.


Answer :

  1. B is the most reactive metal.
  2. B will displace copper from copper sulphate and show a displacement reaction.
  3. Metal B> Metal A > Metal C > Metal D

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