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Class 10 Chemistry (India)
Course: Class 10 Chemistry (India) > Unit 3
Lesson 5: Occurrence of metalsExtraction of metals - Overview
Overview of processes used to extract metals from ores. Created by Ram Prakash.
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What is extraction of metals(1 vote)- Extraction of metals is the process of extracting(or obtaining) metals from their ores inside the earth's crust. Extraction of metals depends on the reactivity of the metal.(2 votes)
Can we extract metals without removing the impurities from its ore?(1 vote)
no we cant. the only way of obtaining pure metals is to separate the metal from all the other impurities(1 vote)
In the video, the tutor told that Iron Oxide is magnetic, but we have studied in 9th class that, when we burn iron and produce iron oxide, it looses its magnetic property(1 vote)- Iron oxide is magnetic but less magnetic than Iron because iron loses some of its magnetic properties on burning to form Iron oxide.(1 vote)