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Metallurgy MCQ Practice Bits. We covered all the Metallurgy MCQ Practice Bits in this post for your convenience. You can now prepare for the metallurgy MCQ from anywhere using our website for free.
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Metallurgy MCQ Practice Bits for Students
Quick Quiz
Which of the following is the ore of mercury?
a. bauxite
b. haematite
c. galena
d. cinnabar
Option d – cinnabar
Smelting is carried out in which type of furnace?
a. reverberatory furnace
b. blast furnace
c. open hearth furnace
d. retort furnace
Option b – blast furnace
What type of flux is added when the gangue is acidic?
a. SiO2
b. SO2
c. CaO
d. CO2
Option c – CaO
Which substance is added to remove impurities from ore?
a. flux
b. fuel
c. gangue
d. slag
Option a – flux
Which gas is released during the process of calcination?
a. NO2
b. SO2
c. CO2
d. O2
Option c – CO2
Identify the iron ore from the following:
a. carnallite
b. dolomite
c. bauxite
d. haematite
Option d – haematite
The method used to convert sulphide ores into oxide form is
a. smelting
b. calcination
c. roasting
d. burning
Option c – roasting
What name is given to the unwanted material present in an ore?
a. gangue
b. flux
c. slag
d. mineral
Option a – gangue
Which among the following is a carbonate-based ore?
a. magnesite
b. bauxite
c. gypsum
d. galena
Option a – magnesite
What is the correct chemical formula of gypsum?
a. CuSO4·2H2O
b. CaSO4·½H2O
c. CuSO4·5H2O
d. CaSO4·2H2O
Option d – CaSO4·2H2O
Which oil is commonly used in the froth flotation technique?
a. kerosene oil
b. pine oil
c. coconut oil
d. olive oil
Option b – pine oil
Froth flotation is mainly used to concentrate which type of ore?
a. sulphide
b. oxide
c. carbonate
d. nitrate
Option a – sulphide
Galena is an ore of which metal?
a. Zn
b. Pb
c. Hg
d. Al
Option b – Pb
Which metal is typically found in its native state?
a. Pb
b. Au
c. Fe
d. Hg
Option b – Au
Which metal is most abundant in the Earth’s crust?
a. silver
b. aluminium
c. zinc
d. iron
Option b – aluminium
Which element serves as the reducing agent in the thermite process?
a. Al
b. Mg
c. Fe
d. Si
Option a – Al
What is the main purpose of smelting an ore?
a. oxidise
b. reduce
c. neutralise
d. none of these
Option b – reduce
Select the correct formula for carnallite:
a. MgCO3
b. MgSO4·7H2O
c. KCl·MgCl2·6H2O
d. CaCO3·MgCO3
Option c – KCl·MgCl2·6H2O
The elements belonging to which group are termed chalcogens?
a. 14th group
b. 16th group
c. 15th group
d. 17th group
Option b – 16th group
During the electrolysis of sodium chloride, which gas is released?
a. chlorine
b. oxygen
c. nitrogen
d. hydrogen
Option a – chlorine
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