| ⇦ | 
| ⇨ |
Bauxite is concentrated by
Options
(a) magnetic separation
(b) roasting
(c) froth floatation process
(d) chemical method
Correct Answer:
chemical method
Explanation:
Bauxite (Al₂O₃.2H₂O) is concentrated by chemical method. In this method bauxite is well digested with concentration sodium hydroxide which dissolves all the Al₂O₃ component in the ore to form a solution of sodium aluminate leaving behind the impurities.
Related Questions: - The ionic radii of isoelectronic species N³⁻, O²⁻ and F⁻ are in the order
- Chloroamphenicol is effective against
- The smallest among the following ion is
- Electrophile in the case of chlorination of benzene in the presence of FeCl₃ is
- The property of crystalline solid is not
Topics: Surface Chemistry and Isolation of Elements
(88)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The ionic radii of isoelectronic species N³⁻, O²⁻ and F⁻ are in the order
- Chloroamphenicol is effective against
- The smallest among the following ion is
- Electrophile in the case of chlorination of benzene in the presence of FeCl₃ is
- The property of crystalline solid is not
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