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Q1: What is observed during the electrolysis of aqueous copper(II) sulfate using carbon electrodes?
Q2: Which change always takes place when an aqueous solution of copper(II) sulfate is electrolysed?
Q3: A simple cell can be using two different metals as the electrodes and an aqueous solution as the electrolyte.
Which statements about the simple cell are correct?
Q4: Which statements are true about all the noble gases?
Which statements are true about all the noble gases?
Q5: What happens when a strip of silver is immersed in aqueous copper(II) sulfate?
Q6. What happens when zinc foil is placed in an aqueous solution of copper(II) sulfate?
Q7. Which element can only be extracted from its ore using electrolysis?
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