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Electromagnetic separation is used in the concentration of
Options
(a) copper pyrites
(b) bauxite
(c) cassiterite
(d) cinnabar
Correct Answer:
cassiterite
Explanation:
Electromagnetic separation is used when either the ore or the impurities associated with it are magnetic in nature . For example, Cassiterite (SnO₂, tinstone) an ore of tin (non – magnetic) is separated from impurities of ferrous tungstate(wolframite,FeWO₄) which are magnetic in nature.
Related Questions: - The precipitation occurs if ionic product is
- In Friedel-Craft’s alkylation, besides AlCl₃ the other reactants are
- The oxidation number of phosphorus and basicity of acid in pyrophosphoric acid
- A ideal gas will have maximum density when
- The solubility of anhydrous AlCl₃ and hydrous AlCl₃ in diethylether are S₁
Topics: Surface Chemistry and Isolation of Elements
(88)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The precipitation occurs if ionic product is
- In Friedel-Craft’s alkylation, besides AlCl₃ the other reactants are
- The oxidation number of phosphorus and basicity of acid in pyrophosphoric acid
- A ideal gas will have maximum density when
- The solubility of anhydrous AlCl₃ and hydrous AlCl₃ in diethylether are S₁
Topics: Surface Chemistry and Isolation of Elements (88)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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