corrosion

What is oxidation?

• A reaction involving oxygen

• A reaction involving non-metals

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

Rusting is a _____________ process.

• Mechanical

• Chemical

• Physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What two things cause Iron to Rust ?

• Air and Oxygen

• Oxygen and Water

• Water and Carbon dioxide

• Carbon dioxide and Air

Tags

NGSS.MS-PS1-2

What is the chemical name given to Rust ?

• Iron dioxide

• Steel oxide

• Iron oxide

• Carbon dioxide

Tags

NGSS.MS-PS1-5

What is the name of negative electrode?

• Cathode
• Anode
• Cation
• Anion

What is the name of positive electrode?

• Cathode
• Anode
• Cation
• Anion

Which of the following metals is very unreactive and unlikely to corrode. 

• Copper
• Gold
• sodium
• Potassium

Galvanizing is a process of:

• Applying a Zinc coating to bare steel

• Washing the body with the phosphate coating

• dipping a body in E-COAT

• Chemically etching primer to steel