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Extraction of Gold and Silver (in Hindi)
Lesson 13 of 16 • 5 upvotes • 8:04mins
Niranjay Kumar Dwivedi
In this lesson we will learn about concept of extraction of gold and silver
(Hindi) Metallurgy: General Principles and Process of Isolation of Metals
16 lessons • 2h 20m
1
Introduction of Metallurgy (in Hindi)
10:48mins
2
Crushing and Grinding of Ores (in Hindi)
7:44mins
3
Concentration or Dressing of Ores (in Hindi)
12:02mins
4
Conversion of Ore Into Metallic Oxide: Calcination and Roasting (in Hindi)
8:00mins
5
Conversion of Metallic Oxide Into Crude Metals (in Hindi)
8:10mins
6
Smelting; Reduction of Metallic Oxide Into Crude Metal by Carbon (in Hindi)
7:35mins
7
Reduction with Hydrogen, Aluminum, Alkali Metals and Alkaline Earth Metals (in Hindi)
8:49mins
8
Auto reduction, amalgamation method, electrolytic reduction of metallic oxide into crude metal
9:58mins
9
Step-5 purification of crude metals into pure metals
8:25mins
10
Step-5B purification methods of crude metals by zone refining and vapour phase refining
8:31mins
11
Concept of Furnace (in Hindi)
9:04mins
12
Extraction of Iron (in Hindi)
8:25mins
13
Extraction of Gold and Silver (in Hindi)
8:04mins
14
Extraction of Aluminum (in Hindi)
7:52mins
15
Extraction of Copper (in Hindi)
9:00mins
16
Problems Based on Metallurgy (in Hindi)
7:26mins
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