Question

Figure below shows a simple cell:
bulb
G
galvanometer
copper
plate (+)
switch
zinc
-plate (-)
dilute
sulphuric
acid
Which of the following is true about the above reaction
when the switch is closed?
(A) The zinc plate becomes thicker.
(B) The concentration of dilute sulphuric acid increases.
(C) Hydrogen gas bubbles are produced at the anode.
(D) Electrons flow from the copper plate to the zinc plate through
the external circuit to produce an electric current.​

Answer 1

Answer:

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