General Principles and Processes of Isolation of Metals

11 )

In electrolytic refining of copper, anode mud contains

12 )

A metal oxide is reduced with a metal, M₁ of pd 3 & Gp13. The process is known as ____ & the metal is

13 )

Zn is extracted from ZnS. The reducing agent used is _________ & method of refining is ______

14 )

Diaspore & Corundum are ores of ______ & ______

15 )

Two statements are given read the statement and select the correct option

Statement 1) Magnesium is mainly extracted by electrolysis of molten electrolyte and not by chemical methods.

Statement 2) The ∆_iH of Mg is very low & hence it is very difficult to reduce Mg²⁺_(aq)  → Mg_(s)