corrosion quiz

What is corrosion?

• The release of oxygen
• Breakdown of a metal

Is this an example of corrosion?

• Yes
• No

Rusting is a _____________ process.

• Mechanical

• Chemical

• Physical

Do all metals rust?

• Yes

• No

Iron rust in the presence of:

• Vacuum
• Moisture
• Oxygen
• Moisture and Oxygen

What conditions are required for rusting?

• water only

• oxygen only

• water and oxygen

Which diagram shows the most favourable conditions for rust to appear on the nail?

• A

• B

• C

• D

What is corrosion?

• The release of oxygen
• Breakdown of a metal

What is the chemical name given to Rust ?

• Iron dioxide

• Steel oxide

• Iron oxide

• Carbon dioxide

Which of the following items will rust?

• A plastic bottle

• A gold ring

• An iron bridge

• A cardboard box