When would a transformation of chemical energy to electrical energy occur?

when a reaction produces the same products

when the current becomes zero

when electrons stop moving between atoms

when there is chemical reaction between metals and nonmetals

3 answers

when there is chemical reaction between metals and nonmetals
yes
As a result of the chemical reaction between metals and nonmetals, electrons are transferred from one substance to another, generating an electrical potential difference. This potential difference can then be harnessed to produce electrical energy.