everyday science MCQ #4831

During rusting:

everyday science MCQ #4831

  1. Question 1

    Q1. During rusting:

    • A) Iron gains weight
    • B) Iron loses weight
    • C) The weight of iron remains unchanged
    • D) Iron volatilizes

    Answer: Iron gains weight

    Explanation: Rusting is an oxidation reaction in which iron combines with oxygen and water to form iron oxide (rust), adding mass to the metal in the process.