Which of the following is not a method to prevent rusting?

Galvanisation

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Painting

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Polishing

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Applying grease

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Solution

The correct option is C Polishing
Galvanisation, painting and and applying grease on the iron surface cuts off the direct contact of iron with the atmosphere and prevents rusting. Polishing only makes the surface of the article smooth but does not prevent the rusting of the iron article.

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Similar questions

Which of the following methods is suitable for preventing an iron frying pan from rusting?

(a) Applying grease

(b) Applying paint

(d) all of the above.

Question 5

(a) Which of the following methods is not used in preventing iron from rusting?

1. Applying a coating of zinc

2. Applying a coating of lead

3. Applying paint

4. Applying grease

(b) Planting more trees in and around the industrial regions ensures good quality air. True or False?

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