MEDIUM
Earn 100

Name the different zones present in blast furnace used for iron.

Important Questions on Metallurgy

EASY
Science>Chemistry>Metallurgy>Extraction of Iron
Which among the following reactions occurs at zone of slag formation in the process of extraction of iron by blast furnace?
EASY
Science>Chemistry>Metallurgy>Extraction of Iron
Which among following processes occurs at 1500 K in blast furnace for extraction of iron 
EASY
Science>Chemistry>Metallurgy>Extraction of Iron
The magnetite ore is
EASY
Science>Chemistry>Metallurgy>Extraction of Iron
How would you convert pig iron into cast iron? 
EASY
Science>Chemistry>Metallurgy>Extraction of Iron
Cast iron is used for the manufacture of :
EASY
Science>Chemistry>Metallurgy>Extraction of Iron
The addition of silica during the extraction of copper from its sulphide ore :-
EASY
Science>Chemistry>Metallurgy>Extraction of Iron
During the extraction of copper, the impurity FeS is removed as slag by mixing the contaminated copper ore with silica and coke. The molecular formula of slag is
EASY
Science>Chemistry>Metallurgy>Extraction of Iron
Explain the method to remove iron impurity from copper matte with chemical equations. (Figure is not required).
EASY
Science>Chemistry>Metallurgy>Extraction of Iron
Among statements (a) – (d), the correct ones are :
(a) Lime stone is decomposed to 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) Zr and Ti are purified by Van Arkel method.
MEDIUM
Science>Chemistry>Metallurgy>Extraction of Iron
Identify the correct statement from the following:
EASY
Science>Chemistry>Metallurgy>Extraction of Iron
Describe the role of the following: Coke in the extraction of iron from its oxides.
EASY
Science>Chemistry>Metallurgy>Extraction of Iron
Extraction of copper by smelting uses silica as an additive to remove.
EASY
Science>Chemistry>Metallurgy>Extraction of Iron
Which form of the iron is the purest form of commercial iron ?
EASY
Science>Chemistry>Metallurgy>Extraction of Iron
Which of the following statements is correct during the extraction of copper?
MEDIUM
Science>Chemistry>Metallurgy>Extraction of Iron
Draw a labelled diagram of the reverberatory furnace.
MEDIUM
Science>Chemistry>Metallurgy>Extraction of Iron

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

MEDIUM
Science>Chemistry>Metallurgy>Extraction of Iron

Explain the following:

Flux

MEDIUM
Science>Chemistry>Metallurgy>Extraction of Iron
What is flux? Give one example of each of an acidic flux and a basic flux.
EASY
Science>Chemistry>Metallurgy>Extraction of Iron
Among the reactions a-d, the reaction(s) that does/do not occur in the blast furnace during the extraction of iron is/are:
a CaO+SiO2→CaSiO3
b 3Fe2O3+CO→2Fe3O4+CO2
c FeO+SiO2→FeSiO3
d FeO→Fe+12O2
MEDIUM
Science>Chemistry>Metallurgy>Extraction of Iron
The form of iron obtained from blast furnace is :