What are the electrodes and electrolytes used in a simple voltaic cell.

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Solution

Electrodes
The electrodes in the battery contain atoms of certain conducting materials.
In an alkaline battery, the anode is typically made of zinc, and manganese dioxide acts as the cathode.
Electrolytes
Electrolyte is any substance that releases ions when dissolved in a suitable solvent or liquid.
Different batteries use different chemical compounds as electrolytes.
Some of such commonly used compounds are Sodium Chloride, Nitric Acid, Sulphuric Acid, Sodium Acetate, Chloric acid, etc.

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