JAMB Chemistry 1989 Question 40

Question 40

Metals and their Compounds

Which of the following is NOT involved in the extraction of metals from their ores?

  1. A.Reduction with carbon
  2. B.Reduction with other metals
  3. C.Reduction by electrolysis
  4. D.Oxidation with oxidizing agents
Show the answer and explanation

Answer: D (Oxidation with oxidizing agents)

Explanation

Metals occur as compounds in which they are positively charged, so extraction always reduces them. Oxidising agents would do the opposite.