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The document discusses displacement reactions and uses the Thermit reaction as an example. In this reaction, more reactive aluminum displaces the less reactive iron in iron oxide, taking the oxygen to form aluminum oxide and leaving behind molten iron.
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When magnesium reacts with copper sulfate, the magnesium displaces the copper from the solution. This causes the blue color of the copper sulfate to gradually disappear as magnesium sulfate and copper metal are formed. The magnesium is a more reactive metal and so it replaces the copper in the copper sulfate compound.
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The reactivity series can be used to predict the reactions of metals with oxygen, water, acids, and other metals. Predictions can be made about both simple reactions between a single metal and one of these substances, as well as more complex reactions where metals compete with each other. The document then demonstrates using the reactivity series to predict whether reactions will occur and how vigorous they may be for different metals reacting with acids, oxygen, water, and each other.
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When magnesium reacts with copper sulfate, the magnesium displaces the copper from the solution. This causes the blue color of the copper sulfate to gradually disappear as magnesium sulfate and copper metal are formed. The magnesium is a more reactive metal and so it replaces the copper in the copper sulfate compound.
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The document discusses displacement reactions between magnesium, copper, silver, and their chlorides. It states that magnesium will displace copper from copper chloride because magnesium is more reactive than copper. However, silver will not displace magnesium from magnesium chloride because silver is less reactive than magnesium. The document also mentions that displacement reactions can be used to extract metals like iron and copper from their oxide ores by reacting with carbon.
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The document discusses the reactivity series of metals. It explains that metals can be arranged in order of their reactivity, with the most reactive at the top. More reactive metals can displace less reactive metals from their compounds and salt solutions. Examples given include iron displacing copper from copper sulfate solution. The document also discusses how metals react with chlorine, hydrogen, and are extracted from their ores, with the method of extraction depending on their reactivity in the series.
3. obtaining-metals-
This document discusses the extraction of metals from ores. It begins by stating that most metals are found in nature combined with other elements in compounds like oxides, sulfides, and carbonates. It then explains different extraction methods including heating alone, heating with carbon or carbon monoxide, and electrolysis. As an example, it describes the extraction of iron from iron ore in a blast furnace. The document also briefly discusses alloys and their important uses.
PROPERTIES OF METALS AND NON METALS
This powerpoint presentation is a Multimedia lesson , created for a purpose of Ggsipu B.Ed curriculum.
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ABDULLAH chemistry (investigatory project) (3).pdf
ABDULLAH chemistry (investigatory project) (3).pdf
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Friction occurs between two surfaces when they are moved against each other due to the roughness of the surfaces at a microscopic level, even if they appear smooth. This roughness requires a force to overcome as the bumps and hollows of each surface interact while moving past one another. Friction exists between solids, liquids, and gases, with different types including air resistance when an object moves through air and drag when an object moves through a liquid like water.
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- 1. What is a displacement reaction? The Thermit reaction is an example of a displacement reaction.
- 2. What is a displacement reaction? The Thermit reaction is an example of a displacement reaction. In this reaction, aluminium reacts with iron oxide to make aluminium oxide and iron.
- 3. What is a displacement reaction? The Thermit reaction is an example of a displacement reaction. aluminium iron oxide iron+ aluminium oxide + In this reaction, aluminium reacts with iron oxide to make aluminium oxide and iron.
- 4. What is a displacement reaction? The Thermit reaction is an example of a displacement reaction. The more reactive aluminium takes the oxygen from the less reactive iron. The reaction gets so hot that the iron melts! It is used to weld railway tracks. aluminium iron oxide iron+ aluminium oxide + In this reaction, aluminium reacts with iron oxide to make aluminium oxide and iron.