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The figure shows a simple cell made of copper and zinc electrodes dipped in dilute sulphuric acid

      

The figure shows a simple cell made of copper and zinc electrodes dipped in dilute
sulphuric acid.
p5420191459.png
a) Identify the cathode
b) If a voltmeter is connected across the rods the reading is observed to reduce with time.
State two causes of this observation

  

Answers


sharon
a) Cathode:- Zinc
b) two causes of this observation.
-Due to defects that the cell suffers. These are
-Local action. The eating away of Zinc (cathode) by the acid.
Polarization:- the formation of H2 bubbles at the anode insulating it.
sharon kalunda answered the question on April 5, 2019 at 12:04


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