Q5. In the electrolytic refining of copper. (10 marks)
Which terminal of the power supply is connected to the impure copper
Write the equation for the reaction of the impure copper. (4 marks)
ili. What electrolyte is used? ( 4 marks)
6. A brass ring is to be electroplated with silver. (10 marks)
i. Which terminal of the battery would the brass ring be connected to? (
i. Name a suitable electrolyte for the electroplating. (3 marks)
Write the equation occurring at the plating electrode. (3 marks)
What material would the other electrode be made of? (2 marks)
Answers: 3
Chemistry, 21.06.2019 12:30, tiffanyrhoda
Which of the following can be used to measure electricity
Answers: 1
Chemistry, 22.06.2019 22:30, lizzzzi7908
Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt
Answers: 1
Chemistry, 23.06.2019 03:30, Ramann03
27 drag each label to the correct location on the image. a particular exosolar system has five planets in total: a, b, c, d, and e. the table lists the orbital periods of these planets in days. planet orbital period (days) a 600 b 80 c 1,000 d 500 e 100 move each planet to its orbit in the system.
Answers: 3
Q5. In the electrolytic refining of copper. (10 marks)
Which terminal of the power supply is connec...
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