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The role of cryolite in the metallurgy of extraction of aluminium is to
Options
(a) increase the conductivity of the electrolyte
(b) decrease the melting point of electrolyte
(c) both (increases the conductivity of the electrolyte) and (decreases the melting point of electrolyte)
(d) no specific role at all
Correct Answer:
both (increase the conductivity of the electrolyte) and (decrease the melting point of electrolyte )
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 enthalpy and entropy change for a chemical reaction are – 2.5 x 10³ cals
- At what temperature, the rms velocity of gas shown at 50⁰C will be doubled
- The number of unpaired electron in Mn²⁺ is
- The de-Broglie wavelength associated with a ball of mass 1kg having kinetic energy
- The equivalent weight of H₃PO₂, when it disproportionates into PH₃ and H₃PO₃ is
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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