Complete the corrosion story

Exercise and reference answers

Missing parts

1. Answer

   passivation

   Choices

   1. passivation
   2. plating
   3. reduction

2. Answer

   not

   Choices

   1. not
   2. also
   3. always

3. Answer

   sacrificial

   Choices

   1. sacrificial
   2. standard
   3. inert

Complete the statement

Copper's patina seals the surface, a process called {0}; rust does {1} seal iron, so a more active metal is used as a {2} anode.

Instructions

Tap a word for each blank to complete the story.

Explanation