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CBSE Class 10 Sample Paper Science Solution - For 2023 Boards

Class 10
Solutions to CBSE Sample Paper - Science Class 10

In which of the following applications of Iron, rusting will occur most?

Support your answer with valid reason.

Question 37 B -  In which of the following applications - teachoo.jpg

  1. - Iron Bucket electroplated with Zinc
  2. - Electricity cables having iron wires covered with aluminium
  3. - Iron hinges on a gate
  4. - Painted iron fence



  • Iron rusts when it comes in direct contact with air or water
  • Coating of other metals such as Zinc, Aluminium or Chromium, Oiling or Greasing, Painting and Alloying are methods used to prevent or slow down the process of rusting .
  • Hence the Iron hinges on a gate which are in contact with both atmospheric oxygen and moisture/ water vapour are likely to rust quickly .

Thus, the correct answer is C .

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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