NCERT Exercise 3.1 — Q2 - Metals and Non-metals
Question: Which of the following methods is suitable for preventing an iron frying pan from rusting? (a) Applying grease (b) Applying paint (c) Applying a coating of zinc (d) All of the above
Answer: 1. Rusting of iron requires contact with oxygen and water vapour. 2. To prevent rusting, we must coat the iron surface to block this contact. 3. Frying pans are used for cooking food and are heated...
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