Corrosion and Corrosion prevention

What is the proper turn for the break down of metals?

• Corrosion

• Rusting

• Breakdown

• Degradation

The turn Rusting is actually attach to the compound​ (a)   . It was only used as a common term because of how often ​ (b)   was used in early tools

• Fe2O3
• iron
• NaCl
• C6H12O6
• steel
• zinc

Place these explanation under Pros or Cons for corrosion

Groups:

(a) Pros

,

(b) Cons

• Cost of repair

• Corroded blocks

• Clear Coating

• Patina

• Flaking

What are the three ways to protect against corrosion?

• Painting , Sacrificial Metal, Scrubbing

• Liming, Sacrificial metals, Galvanizing

• Liming, Sacrificial metals, Scrubbing

• Painting , Sacrificial Metal, Galvanizing

Paint works by blocking ​ (a)   and Water from interreacting with the metal. It does have one issue of ​ (b)   that will leave areas exposed.

• Oxygen
• flaking
• Nitrogen
• corrosion

Match the following types of protecting metals with the objects.

• Sacrificial Metal

• 
• Galvanizing

• 
• Painting

• 

What is the most used metal with both galvanizing and sacrificial metals?