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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
- 5 g of hydrogen peroxide is present in 56 mL of solution. The solution
- If the melting point of ice is 0⁰C and latent heat of fusion is 5.46 kJ mol⁻¹,
- The number of unpaired electrons in 1s² 2s² 2p³ is
- Oxidation state of sulphur in S₈, H₂S and S₂F₂ is
- The potassium ferricyanide produces on ionisation
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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