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 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

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

The extraction of gold involves leaching the metal with ${\mathrm{CN}}^{-}$, the metal is later recovered by displacement method using a zinc metal. In this reaction, zinc acts as a 

From the given daigram, what are $\mathrm{A} \mathrm{and} \mathrm{B}$?

Flux is used to

The process which involves smelting is

Which of the reactions occurs in slag formation zone in blast furnace for manufacture of iron?

Thermite is a mixture of :-

Silicate refractories belongs to which of the following type of refractory materials?

Iron obtained from reduction zone of the blast furnace is

Electrolytic reduction method is used in extraction of