Chemistry, asked by shifisjjoyleo, 1 year ago

What are the methods of concentrations of Pyrolusite and Cinnabar ores?

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Answered by Singhameet
1
hlo dude this is Ameet singh ans is

The impurities left undissolved are removed by filtration. Leaching method is used for concentrating ores of aluminium, silver, gold etc. For example, bauxite (AI2O3.2H2O), is concentrated by this method. ... Leaching is also used to concentrate silver and gold ores and is known as Mac Arthur Forrest cyanide process.
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