Chemistry-
General
Easy

Question

Metal is:

  1. Cu    
  2. Sn    
  3. Fe    
  4. Pb    

The correct answer is: Pb

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Molten metalispurifiedby:

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

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

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Whichofthegivenmetaloxidesis havingminimum thermaldecompositiontemperature?

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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:

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Which of the following particles is most unstable?

Which of the following particles is most unstable?

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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
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