Question:
Which one of the following ores is best concentrated by froth-flotation method?
Which one of the following ores is best concentrated by froth-flotation method?
Updated On: Jul 13, 2024
- Galena
- Cassiterite
- Magnetite
- Malachite
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The Correct Option is A
Solution and Explanation
$PbS$, i.e. Galena is best concentrated by froth floatation method.
So, the correct option is (A): Galena.
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Concepts Used:
General Principles and Processes of Isolation of Elements
What are Ores and Minerals?
Minerals are the naturally occurring, homogeneous inorganic solid substances. They are having a definite chemical composition and crystalline structure, hardness and color. For example, copper pyrite, calamine, etc.
Impurities in an ore are called gauge. The removal of a gauge from the ore is called concentration ore.
Several steps are involved in the extraction of pure metal from ores. Major steps are as follows –
- Concentration of the ore
- Isolation of the metal from its concentrated ore
- Purification of the metal