everyday science MCQ #3992

Iron articles rust because of the formation of:

everyday science MCQ #3992

  1. Question 1

    Q1. Iron articles rust because of the formation of:

    • A) Ferrous chloride
    • B) A mixture of ferrous and ferric hydroxide
    • C) Sodium carbonate
    • D) Ferric chloride

    Answer: A mixture of ferrous and ferric hydroxide

    Explanation: Rusting of iron is an electrochemical process where iron reacts with oxygen and water to form a mixture of ferrous hydroxide (Fe(OH)₂) and ferric hydroxide (Fe(OH)₃).