Local actions is normally prevented in a simple electric cell by
A
introducing an oxidizing agent in the acid
B
not drawing current continously for long period
C
amalgamating the surface of the zinc plate
D
using a porous pot to isolate the zinc plate from the acid
Verified Correct Answer: C.
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #34103)