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Chemistry-

General

Easy

Question

Molten metalispurifiedby:

Hall-Heroultprocess
Hoopmethod
Baeyer'sprocess
Bell'selectrolysisprocess

The correct answer is: Bell'selectrolysisprocess

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Find out D:

chemistry-General

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Find out B and C:

chemistry-General

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chemistry-General

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Which of the following metal's oxide can be reducedbyFeasreducingagentattemperatureT₁?

Which of the following metal's oxide can be reducedbyFeasreducingagentattemperatureT₁?

chemistry-General

Whichofthegivenmetaloxidesis havingminimum thermaldecompositiontemperature?

Whichofthegivenmetaloxidesis havingminimum thermaldecompositiontemperature?

chemistry-General

Whichintheabovecurveiswronglypresented?

Whichintheabovecurveiswronglypresented?

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Allmineralsarenottheorebutall oresareminerals.The extraction of a particular metal depends uponseveral factorsandoverallithastobeconvenientand economical.
ThenBis:

Allmineralsarenottheorebutall oresareminerals.The extraction of a particular metal depends uponseveral factorsandoverallithastobeconvenientand economical.
ThenBis:

chemistry-General

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Find out F:

chemistry-General

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Find out E:

chemistry-General

parallel

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Find out C:

chemistry-General

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Find out B:

chemistry-General

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Find out A:

chemistry-General

parallel

Which of the following particles is most unstable?

Which of the following particles is most unstable?

physics-General

Extractionofaluminiumcanbeunderstoodby:

Electrolytic reduction of $A l subscript 2 end subscript O subscript 3 end subscript$
Electrolytic:( $A l subscript 2 end subscript O subscript 3 end subscript$ +Cryolite+ $C a F subscript 2 end subscript$ )
Cathode: Carbon inside the Fe-container
Anode: Graphite rods
The molten electrolytes contain $N a to the power of plus end exponent comma A l to the power of 3 plus end exponent$ , and $C a to the power of 2 plus end exponent$ only Al gets deposited at cathode because:

Extractionofaluminiumcanbeunderstoodby:

Electrolytic reduction of $A l subscript 2 end subscript O subscript 3 end subscript$
Electrolytic:( $A l subscript 2 end subscript O subscript 3 end subscript$ +Cryolite+ $C a F subscript 2 end subscript$ )
Cathode: Carbon inside the Fe-container
Anode: Graphite rods
The molten electrolytes contain $N a to the power of plus end exponent comma A l to the power of 3 plus end exponent$ , and $C a to the power of 2 plus end exponent$ only Al gets deposited at cathode because:

chemistry-General

Extraction of aluminium can be understood by:

Electrolytic reduction of $A l subscript 2 end subscript O subscript 3 end subscript$
Electrolytic:( $A l subscript 2 end subscript O subscript 3 end subscript$ +Cryolite+ $C a F subscript 2 end subscript$ )
Cathode: Carbon inside the Fe-container
Anode: Graphite rods
The function of fluorspar( $C a F subscript 2 end subscript$ )is:

Extraction of aluminium can be understood by:

Electrolytic reduction of $A l subscript 2 end subscript O subscript 3 end subscript$
Electrolytic:( $A l subscript 2 end subscript O subscript 3 end subscript$ +Cryolite+ $C a F subscript 2 end subscript$ )
Cathode: Carbon inside the Fe-container
Anode: Graphite rods
The function of fluorspar( $C a F subscript 2 end subscript$ )is:

chemistry-General

parallel

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