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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 energy of an electron in the nth Bohr orbit of hydrogen atom is
- Benzaldehyde + NaOH produces which of the following
- At 27⁰C latent heat of fusion of a compound is 2930 J/mol. Entropy change is
- The volume of 3.0 N-H₂O₂ strength is
- An open system
Topics: Surface Chemistry and Isolation of Elements
(88)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The energy of an electron in the nth Bohr orbit of hydrogen atom is
- Benzaldehyde + NaOH produces which of the following
- At 27⁰C latent heat of fusion of a compound is 2930 J/mol. Entropy change is
- The volume of 3.0 N-H₂O₂ strength is
- An open system
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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