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Class 7
Chapter 6 Class 7 - Physical and Chemical Changes
  • The process of depositing a layer of zinc on iron is called galvanisation.
  • Iron pipes we us in our homes to carry water are galvanised to prevent rusting.


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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 13 years and a teacher from the past 17 years. He teaches Science, Economics, Accounting and English at Teachoo