Give reasons for the following observations:
Lyophilic sol is more stable than a lyophobic sol.
Which form of the iron is the purest form of commercial iron?
Wrought iron is the purest form of commercial iron.
Which reducing agent is employed to get copper from the leached low-grade copper ore?
Outline the principles behind the refining of metals by the following methods:
Zone refining method
Outline the principles behind the refining of metals by the following methods:
Chromatographic method
Which solution is used for the leaching of silver metal in the presence of air in the metallurgy of silver?