Physics · Electrochemistry and Batteries
What is the common electrolyte used in nickel-iron (Edison) and nickel-cadmium (Ni-Cd) alkaline batteries?
- 1Sulfuric acid solution
- 2Hydrochloric acid solution
- 3Sodium iodide solution
- 4Potassium hydroxide solution✓
Correct answer
Potassium hydroxide solution
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