Concentration of Ores - Metal And Non-Metals | Class 10 Chemistry
Автор: Magnet Brains
Загружено: 2020-08-01
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✅ In this video,
✔️ Class: 10th
✔️ Subject: Chemistry
✔️ Chapter: Metals and Non-Metals (Chapter 3)
✔️ Topic Name: Concentration of Ores - Metals and Non-Metals | Class 10 Chemistry Chapter 3
✔️ Topics Covered In This Video (by Abhishek Sir): This YouTube video covers key topics in chapter 3 of the Class 10 Science syllabus for the academic year. Topics include concentration of ores, metals and non-metals. Abhishek Sir, who is an experienced Science teacher for Class 10, provides insights into the fundamentals of metallurgy - the process of separating ores and metals, and the understanding of various properties of metals and non-metals. This video will help students to gain an in-depth understanding of the topic and learn different techniques to analyze and interpret different kinds of ore. By learning these concepts and concepts related to metals and non-metals, students will gain the confidence they need to tackle problems and answer questions on this chapter in their board exams.
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00:00 Introduction: Metals and Non-Metals
00:09 Concentration of Ores
12:54 Website Overview
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Points covered in this video:-
Concentration of Ores:
The process of removal of gangue particles from the ore is called concentration of ore.
Gangue or Matrix -
The ore mined from the earth’s crust contains some unwanted substances or impurities, such as sand, rocky or clay materials. These substances are called gangue or matrix.
Methods of concentration of ores -
Hydraulic Washing
Froth floatation process
Magnetic separation
Chemical separation
Hydraulic Washing -
This method is based on the difference in specific gravity of the ore & gangue particle. Gangue particles are lighter than the ore particles.
In this method the ore is mixed with water (or) washed with an upward stream of running water, the lighter gangue particles are washed away leaving the ore-particles.
For example, this method is used for concentration of the oxide ores of Iron (Haematite), Tin (Tinstone), Au & Ag etc.
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