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Extraction of Metals low in the Activity Series Video Lecture - Class 10

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FAQs on Extraction of Metals low in the Activity Series Video Lecture - Class 10

1. What are some examples of metals that are low in the Activity Series?
Ans. Some examples of metals that are low in the Activity Series include copper, silver, gold, and platinum. These metals are less reactive and are often found in their elemental form in nature.
2. How are metals that are low in the Activity Series extracted from their ores?
Ans. Metals that are low in the Activity Series, such as copper and silver, are often extracted from their ores through the process of roasting and reduction. In roasting, the ore is heated in the presence of oxygen to convert it into an oxide. This oxide is then reduced using a reducing agent to obtain the pure metal.
3. Why are metals that are low in the Activity Series easier to extract compared to highly reactive metals?
Ans. Metals that are low in the Activity Series are easier to extract compared to highly reactive metals because they have a lower tendency to form compounds with other elements. This means that they are found in nature in their elemental form or as relatively pure ores, making the extraction process simpler and less energy-intensive.
4. What is the significance of extracting metals that are low in the Activity Series?
Ans. Extracting metals that are low in the Activity Series is significant because these metals have several important uses in various industries. For example, copper is widely used in electrical wiring and plumbing, while silver and gold are valuable for their aesthetic and monetary properties. By extracting these metals, we can meet the demand for these resources and utilize their unique properties.
5. Are there any environmental concerns associated with the extraction of metals that are low in the Activity Series?
Ans. While the extraction of metals that are low in the Activity Series generally involves less complex processes compared to extracting highly reactive metals, there are still some environmental concerns. For instance, the release of sulfur dioxide gas during roasting can contribute to air pollution. Additionally, the large-scale mining of these metals can lead to habitat destruction and the generation of large amounts of waste. Proper environmental management practices and regulations are necessary to mitigate these concerns.
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