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- #General Principles and processes of Isolation Elements
Which one of the following is mineral of iron?
Option: 1
Malachite
Option: 2
Cassiterite
Option: 3
Pyrolusite
Option: 4
Magnetite
Answers (1)
Magnetite is an ore of iron with the chemical formula
Malachite:
Cassiterite:
Pyrolusite:
Hence, the correct answer is option 4.
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