>
Exams
>
Metallurgy
>
Mineralogy
>
which of the following is not an iron ore
Question:
Which of the following is not an iron ore?
Show Hint
While Chalcopyrite is a significant copper ore, it does not contain iron and is not used for iron extraction.
AP PGECET - 2024
AP PGECET
Updated On:
May 5, 2025
Banded Hematite Quartzite (BHQ)
Hematite
Goethite
Chalcopyrite
Hide Solution
Verified By Collegedunia
The Correct Option is
D
Solution and Explanation
Chalcopyrite is a copper ore, not an iron ore. The other options are iron ores commonly used in steelmaking.
Download Solution in PDF
Was this answer helpful?
0
0
Top Questions on Mineralogy
For a \(2/m\) pyroxene, the extinction angle between the vibration direction and crystallographic axis, X ⊥ c, is 36°. Then the angle Y ⊥ b in degrees will be ............. (In integer)
IIT JAM GG - 2025
Geology
Mineralogy
View Solution
A metapelite is composed of muscovite + quartz + K-feldspar + kyanite mineral assemblage. If the muscovite and K-feldspar show solid solution between 'Na' and 'K' end-members, the minimum number of components that defines this metapelitic assemblage is ............. (In integer)
IIT JAM GG - 2025
Geology
Mineralogy
View Solution
A mineral displays magenta interference colour (retardation, \( \Delta m = 550 \, \text{nm} \)) under crossed polarized light. If an accessory plate adds retardation of 100 nm, the interference colour observed is:
IIT JAM GG - 2025
Geology
Mineralogy
View Solution
Which of the following is a fluorite deposit?
IIT JAM GG - 2025
Geology
Mineralogy
View Solution
Which one of the following minerals has a characteristic pale yellow streak?
IIT JAM GG - 2025
Geology
Mineralogy
View Solution
View More Questions
Questions Asked in AP PGECET exam
The absolute humidity of air at 101.325 kPa is measured to be 0.02 kg of water per kg of dry air. Then the partial pressure of water vapour in the air is:
AP PGECET - 2025
Thermodynamics
View Solution
If the vapour pressure at two temperatures of a solid phase in equilibrium with its liquid phase is known, then the latent heat of fusion can be calculated by the:
AP PGECET - 2025
Thermodynamics
View Solution
1 mole of Argon gas is heated at constant pressure from 200 K to 600 K.
If \( C_p = 4\ \text{cal} \cdot \text{deg}^{-1} \cdot \text{mol}^{-1} \), then the change in entropy will be:
(Given \( \ln 3 = 1.09 \))
AP PGECET - 2025
Thermodynamics
View Solution
The minimum amount of work required to operate a refrigerator which removes 1000 Cal heat at $0^\circ$C and rejects at $50^\circ$C will be:
AP PGECET - 2025
Thermodynamics
View Solution
The entropy of single crystalline Silicon at absolute zero will be:
AP PGECET - 2025
Thermodynamics
View Solution
View More Questions