JAMB Chemistry 1990 Question 35

Question 35

Metals and their Compounds

Which of the following metals will liberate hydrogen from steam or dilute acid?

  1. A.Copper
  2. B.Iron
  3. C.Lead
  4. D.Mercury
Show the answer and explanation

Answer: B (Iron)

Explanation

Iron is above hydrogen in the activity series, so it reacts with steam and with dilute acids to give hydrogen. Copper and mercury do neither, and lead barely reacts.