Electrolytic reducation of `Al_(2)O_(3)` Electrolyte `(Al_(2)O_(3)+cryolite) ` Cathode : fraphite inside Fe -Container The purpose of adding cryolite is :A. To increase eletrical consutivityB. To lower the melting point `Al_(2)O_(3)`C. To remove the impurities as slagD. Both (a) & (B)

Electrolytic reducation of `Al_(2)O_(3)` Electrolyte `(Al_(2)O_(3)+cr

1.	Electrolytic reducation of `Al_(2)O_(3)` Electrolyte `(Al_(2)O_(3)+cryolite) ` Cathode : fraphite inside Fe -Container The purpose of adding cryolite is :A. To increase eletrical consutivityB. To lower the melting point `Al_(2)O_(3)`C. To remove the impurities as slagD. Both (a) & (B)
Answer» Correct Answer - d

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Consider the following statements and arrange in the order of true/false as given in the codes. `S_(1)`:Cuprite, Limonite and Zincite are oxide ares `S_(2)` Magnesite and carnallite are magnesium ores `S_(3)`: Chalcocyte and azurite are ores of copper `S_(4)` Feldspar an mica minerals contain aluminium.A. TTTTB. FTFFC. FFTTD. TTFT
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Electrolytic reducation of `Al_(2)O_(3)` Electrolyte `(Al_(2)O_(3)+cryolite) ` Cathode : fraphite inside Fe -Container The purpose of adding cryolite is :A. To increase eletrical consutivityB. To lower the melting point `Al_(2)O_(3)`C. To remove the impurities as slagD. Both (a) & (B)

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