Reduction of Metal Oxides to Metals

Copper can be extracted from

Copper can be extracted from

Reduction of the metal oxide usually involves heating it with an oxidising agent in Pyrometallurgy.

In the Pyrometallurgy process, the ores are reduced to crude metals either by _____ or by heating with reducing agents like carbon, hydrogen, aluminium or other metals.

The reducing agent used for the extraction of $\mathrm{Mo}$ and $\mathrm{W}$ is _____.

(A) ${\mathrm{H}}_2$
(B) $\mathrm{CO}$
(C) ${\mathrm{H}}_2\mathrm{S}$

Enter your correct answer as A, B or C.

Discuss the reduction of metal by hydrogen.

The process which involves smelting is

Define the term: Pyrometallurgy

What is meant by the term pyrometallurgy?

The metals$\mathrm{Ag}, \mathrm{Au}, \mathrm{and} \mathrm{Hg}$ are extracted by pyrometallurgy.

Which of the following reactions is an example of autoreduction?

Which are the different methods used in metallurgy?

What is smelting? Explain with an example.

Explain the term:

Smelting.

What is cryolite?

Metal that cannot be extracted by carbon reduction process is:

In the bessemer converter which is used for the extraction of copper, select the correct option(s):

Which is known as 'blister copper' ?

carbon reduction is used for the extraction of:

Method used for extraction of $\mathrm{P}\mathrm{b}$ and $\mathrm{S}\mathrm{n}$ from their chief ore