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Corrosion and Its Prevention

How is an iro...

Question

How is an iron gate prevented from rusting? (2 marks)
[APSCERT Textbook]

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Solution

Rusting is aided by both moisture (water) and air (oxygen). (1 mark)

By painting an iron gate, we prevent its contact from the air and moisture present in the atmosphere. (1 mark)

Hence, rusting is prevented.

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Q. Explain how painting of an iron gate prevents it from rusting. [2 marks]

Question 9
Explain how the painting of an iron gate prevents it from rusting.

Applying a coat of paint over an iron gate prevents it from rusting.

Q. Solve the crossword puzzle. [2 marks]

Across:
1. A method used to prevent the rusting of movable parts of a bicycle.
2. The process of converting iron into stainless steel.

Down:
1. Coating zinc on iron objects.
2. The method used to prevent the rusting of iron gates and sheets.

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