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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 strongest reducing agent among the following is
- Boiling point of ethyl alcohol is greater than ether due to
- Phenol reacts with bromine in chloroform at low temperature to gives
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Topics: Surface Chemistry and Isolation of Elements
(88)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The strongest reducing agent among the following is
- Boiling point of ethyl alcohol is greater than ether due to
- Phenol reacts with bromine in chloroform at low temperature to gives
- Starting with three different amino acid molecules,how many different tripeptide
- The constituents of porland cement are
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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