You connect the terminals up to a battery or other power supply and pass electricity through the solution. Chemical reactions take place and the solution splits up into its atoms. If the solution you use is pure water (H2O), you find it quickly splitting up into hydrogen gas (at the ...
Explanation 2:When you supply a battery with current, the current drives a chemical process which generates electricity when reversed, so you are not “filling” the battery with anything, just preparing it to generate electricity, after you prepare (charge) it, you connect the battery to whatev...