True or false: batteries, fuel cells and corrosion

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   Batteries and fuel cells are useful forms of galvanic cell.

2. Statement is true

   Yes

   Statement

   Corrosion of metals is essentially electrochemical.

3. Statement is true

   No

   Statement

   A fuel cell is an electrolytic cell.

4. Statement is true

   Yes

   Statement

   Electrochemical principles matter to the hydrogen economy.

5. Statement is true

   No

   Statement

   Corrosion involves no redox chemistry at all.

Explanation