Class 8

Chemical Effects of Electric Current question bank (Science)

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Q1.

In the electroplating of copper on an iron object, the iron object must be connected to the:


(A)
Negative terminal of the battery (Cathode)
(B)
Positive terminal of the battery (Anode)
(C)
Either terminal
(D)
Neutral ground wire
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Q2.

During copper electroplating using copper sulphate solution, pure copper from the copper plate gets deposited onto the electrode connected to which terminal of the battery?


(A)
Negative terminal (Cathode)
(B)
Positive terminal (Anode)
(C)
Either terminal alternatively
(D)
Does not require battery connection
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