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In the extraction of aluminium from bauxite, cryolite is used to
Options
(a) decreases the boiling point of aluminium
(b) purify the bauxite
(c) make the mass lighter
(d) decreases melting point of alumina and increase conductivity
Correct Answer:
decreases melting point of alumina and increase conductivity
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Surface Chemistry and Isolation of Elements
(88)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When conc. H₂SO₄ is added to dry KNO₃,brown fumes are evolved.These fumes are
- Secondary amines could be prepared by
- If 200 mL of gas at 27°C is cooled to 7°C at constant pressure, its final volume will be
- Which of the following compounds will undergo racemisation when solution
- Which of the following has sp²-hybridisation
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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