Question

Write names of the three methods for concentration of ores.

Page 171 Chapter - 8.Metals

Answer 1

Answer:

1. Hand Picking.
2. Gravity Separation or Hydraulic Washing (Levigation)
3. Magnetic Separation.

Answer 2

Hello Students,

Ores are minerals from which metals can be extracted conveniently and profitably.

◆ Concentration of ores -

• Ores contain several impurities which need to be removed before extracting the desired metal. This is called concentration of ores.

Various methods of ore concentration are as follows -

1. hand-picking
2. magnetic separation
3. gravity separation
4. chemical seperation
5. froth floatation
6. leaching

Hope this helps you. Thanks for asking.