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How do you separate copper metal from the mixture of copper sulphate and aluminium?

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How do you separate copper metal from the mixture of copper sulphate and aluminium?

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  • Take a concentrated solution of copper sulphate into a beaker. 
  • Drop an aluminium foil in the beaker.
  • After some time, we observe a layer of copper deposited on the aluminium foil. 
  • The solution becomes colourless. 
  • A chemical reaction takes place among the copper ions present in the solution with aluminium and copper metal is separated.
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