Write the composition of wrought iron.

Important Questions on General Principles and Processes of Isolation of Elements (Metallurgy)

EASY

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

Which among the following reactions occurs at zone of slag formation in the process of extraction of iron by blast furnace?

EASY

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

Which among following processes occurs at $1500 \mathrm{K}$ in blast furnace for extraction of iron 

EASY

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

The magnetite ore is

EASY

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

How would you convert pig iron into cast iron? 

EASY

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

Cast iron is used for the manufacture of :

EASY

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

The addition of silica during the extraction of copper from its sulphide ore :-

EASY

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

During the extraction of copper, the impurity $\left(\mathrm{FeS}\right)$ is removed as slag by mixing the contaminated copper ore with silica and coke. The molecular formula of slag is

EASY

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

Explain the method to remove iron impurity from copper matte with chemical equations. (Figure is not required).

EASY

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

Among statements (a) – (d), the correct ones are :
(a) Lime stone is decomposed to $\mathrm{CaO}$ during the extraction of iron from its oxides.
(b) In the extraction of silver, silver is extracted as an anionic complex.
(c) Nickel is purified by Mond’s process.
(d) $\mathrm{Zr}$ and $\mathrm{Ti}$ are purified by Van Arkel method.

MEDIUM

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

Identify the correct statement from the following:

EASY

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

Describe the role of the following: Coke in the extraction of iron from its oxides.

EASY

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

Extraction of copper by smelting uses silica as an additive to remove.

EASY

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

Which form of the iron is the purest form of commercial iron ?

EASY

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

Which of the following statements is correct during the extraction of copper?

MEDIUM

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

Draw a labelled diagram of the reverberatory furnace.

MEDIUM

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

Draw a neat labelled diagram of a "blast furnace".

MEDIUM

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

Explain the following:

Flux

MEDIUM

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

What is flux? Give one example of each of an acidic flux and a basic flux.

EASY

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

Among the reactions $\left(\mathrm{a}\right)-\left(\mathrm{d}\right),\mathrm{}$ the reaction(s) that does/do not occur in the blast furnace during the extraction of iron is/are:
$\left(\mathrm{a}\right)$ $CaO+Si{O}_2\to CaSi{O}_3$
$\left(b\right)$ $3F{e}_2{O}_3+CO\to 2F{e}_3{O}_4+C{O}_2$
$\left(c\right)$ $FeO+Si{O}_2\to FeSi{O}_3$
$\left(d\right)$ $FeO\to Fe+\frac{1}{2}{O}_2$

MEDIUM

Chemistry>Inorganic Chemistry>General Principles and Processes of Isolation of Elements (Metallurgy)>Metallurgy of Some Important Metals

The form of iron obtained from blast furnace is :