| ⇦ | 
| ⇨ |
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: - Acetamide and ethylamine can be distinguished by reacting with
- The ionisation potential for hydrogen atom is 13.6eV, the ionization potential for He⁺
- Which of the following has lowest pH value
- The strained tetracyclic alkane is isomerized thermally to the cyclic alkene.
- Which pair of atomic numbers represents s-block elements?
Topics: Surface Chemistry and Isolation of Elements
(88)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Acetamide and ethylamine can be distinguished by reacting with
- The ionisation potential for hydrogen atom is 13.6eV, the ionization potential for He⁺
- Which of the following has lowest pH value
- The strained tetracyclic alkane is isomerized thermally to the cyclic alkene.
- Which pair of atomic numbers represents s-block elements?
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