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JAMB Chemistry 1987 Question 38

Question 38

Metals and their Compounds

Alloys are best prepared by

  1. A.high temperature welding of the metals
  2. B.electrolysis using the major metallic component as cathode
  3. C.reducing a mixture of the oxides of the elements
  4. D.cooling a molten mixture of the necessary elements.
Show the answer and explanation

Answer: D (cooling a molten mixture of the necessary elements.)

Explanation

Alloys are made by melting the components together so they mix evenly, then letting the molten mixture cool and solidify.