Physics · Chemical Effects of Electric Current
Two carbon electrodes are placed in a copper sulphate solution in a beaker. The electrodes are connected to a battery and an electric current is allowed to pass. Which of the following observations will take place after a few minutes? (A) Oxygen gas bubbles are formed at the positive electrode (anode). (B) Copper metal is deposited on the negative electrode (cathode). (C) Hydrogen gas bubbles are formed at the cathode. (D) Copper is deposited at the anode.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Only (D)
- 2Only (B)
- 3Both (B) and (C)
- 4Both (A) and (B)✓
Correct answer
Both (A) and (B)
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