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4. What is a displacement reaction? Explain with an example.5. Mention any two ways of preventing iron from rusting. |
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Answer» (1) Displacement reaction is a reaction in which an atom, or a group of atoms, present in a molecule is displaced by another atom. For example, iron when added to a solution of copper sulphate displaces copper metal. (2) Ways of preventing iron from rusting:1)Paint It. Paint the bare metal with any durable acrylic paint.2)Keep Moisture at Bay. Avoid contact with water or moisture.3)Coat It With Oil. Use of oil or grease significantly reduces the chances of developing rust in iron. |
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