Reduction of Metal Oxides to Metals

In  the process of extraction of gold,

Roasted gold ore

$\left[X\right]+Zn\stackrel{}{\to }\left[Y\right]+Au$

Copper can be extracted from

Copper can be extracted from

In the thermite process … is used as a reducing agent.

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 element which is most difficult to be extracted from it's oxide using coke as a reducing agent is:

Which of the following can be removed by the addition of silica in the extraction of copper by smelting?

In the extraction of copper from its sulphide ore, metal is finally obtained by the oxidation of cuprous sulphide with:

The element which is most difficult to be extracted from it's oxide using coke as a reducing agent is:

The metal used in the thermite process of reducing metal oxides is

Select correct statement

In metallurgical process, aluminium acts as a _____ agent.(reducing/oxidising)

During the extraction of haematite, limestone is added which acts as

The purpose of smelting an ore is to_____it.

Draw a neat diagram of the reverberatory furnace and label it neatly?

Define the term.

Slag.

Write short notes on the following.

Smelting.

Explain hydrometallurgy.