Corrosion

What is oxidation?

• A reaction involving oxygen

• A reaction involving non-metals

Is this an example of oxidation?

• Yes
• No

Which of the following statement is WRONG?

• The process of losing the electron is called Oxidation
• An oxidation reaction is often called a cathodic reaction
• The process of receiving the electron is called Reduction
• A reduction reaction is often called a cathodic reaction

Is the following equation an example of oxidation?
Cu + O₂ ---> 2 CuO

• Yes
• No

Is the following equation an example of oxidation?
Na + Cl ----> NaCl

• Yes
• No

What is corrosion?

• The release of oxygen
• Breakdown of a metal

Is this an example of corrosion?

• Yes
• No

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Name the two general classifications of corrosion.

• Direct chemical attack and Electrochemical attack.

• Fretting corrosion and Galvanic attack.

Rusting is a _____________ process.

• Mechanical

• Chemical

• Physical

Rusting is a special term, given to the corrosion metal is... .

• Au

• Pt

• Fe

• Ag