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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: - Which of the following has the highest boiling point
- Which of the following hormones contains iodine
- Which one of the following statements about the nitro group in organic compound
- Which of the following pairs has the same size
- When primary alcohol is oxidised with chlorine, it gives
Topics: Surface Chemistry and Isolation of Elements
(88)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following has the highest boiling point
- Which of the following hormones contains iodine
- Which one of the following statements about the nitro group in organic compound
- Which of the following pairs has the same size
- When primary alcohol is oxidised with chlorine, it gives
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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