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JEE Main 20163 April
Exam
JEE Main
Year
2016
Date
3 April
Subject
Chemistry
Chapter
General Principles and Processes of Isolation of Metals

JEE Main 2016 · 3 April · Chemistry · General Principles and Processes of Isolation of Metals

Which one of the following ores is best concentrated by froth...

Which one of the following ores is best concentrated by froth flotation method?

Options

  1. AGalena
  2. BMalachite
  3. CMagnetite
  4. DSiderite

Correct answer

A. Galena

Step-by-step solution

Froth flotation method is used for concentration of sulphide ores.

Galena→PbS\text{Galena} \to PbS

Malachite is Cu2(CO3)2(OH)2{Cu}_{2}{\left({CO}_{3}\right)}_{2}{\left(OH\right)}_{2}

Magnetite is Fe3O4{Fe}_{3}{O}_{4}

Siderite is FeCO3{FeCO}_{3}
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