Which of the following is an example of displacement reaction: Carbon burns in oxygen to produce carbon dioxide Hydrochloric acid reacts with sodium hydroxide to produce common salt and water When lead nitrate is heated it produces lead oxide, nitrogen dioxide and oxygen. A piece of copper is treated with silver nitrate solution to produce copper nitrate and silver.
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Magnesium is an very reactive metal. When stored, it reacts with oxygen to form a layer of magnesium oxide on its surface. This layer of magnesium oxide is quite stable and prevents further reaction of magnesium with oxygen. The magnesium ribbon is cleaned by sand paper for removing this layer so that the underlying metal can be exposed to air.
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Magnesium is an very reactive metal .
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