See this site for #2,
http://chemwiki.ucdavis.edu/Analytical_Chemistry/Electrochemistry/Electrochemistry_7%3A_Electrochemical_Corrosion
#1 example. Fe rusts.
Describe the following types of corrosion and give a practical example of each
1.pure chemical corrosion
2.pure electrochemical corrosion
2 answers
looking for practical example of pure chemical corrosion and electrochemical corrosion