Strips of copper foil and magnesium ribbon were cleaned with sandpaper and then connected as shown below. The bulb lit up. copper foil sulfuric acid magnesium ribbon a Why were the metals cleaned? b Name the electrolyte used. c Explain why the bulb lit up.

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Chapter1: Chemical Foundations
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Strips of copper foil and magnesium ribbon were
cleaned with sandpaper and then connected as
shown below. The bulb lit up.
copper foil
sulfuric acid
magnesium ribbon
a Why were the metals cleaned?
b Name the electrolyte used.
c Explain why the bulb lit up.
d Which metal releases electrons into the circuit?
e In this arrangement, energy is being changed
from one form to another. Explain.
f What is this type of arrangement called?
g Give reasons why the set-up shown above would
not be used as a torch battery

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