2. Sample Papers
  3. 7th Class
  4. Science

7th Class Science Sample Paper Science Sample Paper-6

  • question_answer
    The process of depositing a layer of zink on the iron object to protect it from rusting is called                                                           

    A) amalgamation    

    B) crystallisation       

    C) neutralisation   

    D) galvanisation      

    E)                None of these     

    Correct Answer: D

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