Explain thermalreduction, gravity separation in extraction of metals.

Explain calcination, magnetic separation in extraction of metals.

Explain roasting, froth flotation in extraction of metals.

What is meant by gravity separation ?

Define the term levigation used in extraction of metals.

Explain gravity separation (or hydraulic washing) in extraction of metals.

What is gravity separation method for concentration of ore ?

Explain the role of the following in the extraction of metals from their ores : CO in the extraction of nickel.

Explain the magnetic separation of Tinston ore?

Explain the reactivity series of metals

Which process is used for the enrichment of suphide ore.explain in brief two steps involved in the extraction of metal from enriched suphide ore