| ⇦ | 
| ⇨ |
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: - In the following change,KMnO₄ → MnO₂, the oxidation state of Mn changes as
- Calcium is obtained by the
- Because of lanthanoid contraction,which of the following pairs of elements
- Number of chloride ions around a single sodium ion in NaCl crystal is
- To prepare a pure sample on n-hexane using sodium metal as one reactant, the
Topics: Surface Chemistry and Isolation of Elements
(88)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In the following change,KMnO₄ → MnO₂, the oxidation state of Mn changes as
- Calcium is obtained by the
- Because of lanthanoid contraction,which of the following pairs of elements
- Number of chloride ions around a single sodium ion in NaCl crystal is
- To prepare a pure sample on n-hexane using sodium metal as one reactant, the
Topics: Surface Chemistry and Isolation of Elements (88)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply