Respuesta :
H+ (aq) undergone reduction in the reaction to form H2(g).
Cell reaction - ca(s) | ca 2 (aq) || h (aq) | h2(g) | pt
In above reaction we can say that ,
Ca(s) lost two e-(s) and became ca+2(aq), that means it is undergoing oxidation by losing to electrons.
In the above redox reaction, H+(aq) gains two electrons and undergone in the reaction to form H2(g), Thus here reduction takes place or we can say that H+ has undergone reduction.
Reduction occurs in the chemical reaction when addition of hydrogen or removal of oxygen takes place. Gaining of electron in the chemical reaction also referred as reduction.
Oxidation refers to the process when element looses it's electron or adding of oxygen or removal of hydrogen takes place.
To learn more about oxidation, refer this link.
https://brainly.com/question/157342
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