Science 2.4 Properties of Materials Quiz

What is the main factor in corrosion?

• Moisture

• Temperature

• Salts

• Chlorine

What is the chemical formula for carbonic acid?

• H2CO3

• H2SO4

• CO2

• SO3

Which gas is produced as a by-product of galvanic corrosion?

• Oxygen

• Hydrogen

• Carbon Dioxide

• Sulphur Trioxide

Which type of corrosion is characterized by localized attack on a metal surface?

• Galvanic Corrosion

• Crevice Corrosion

• Intergranular Corrosion

• Pitting Corrosion

What is another name for ferrous oxide?

• Rust

• Patina

• Carbonic Acid

• Sulphuric Acid

What is the name given to the protective oxide coating of copper?

• Rust

• Patina

• Carbonic Acid

• Sulphuric Acid

Which metal has the highest electrode potential?

• Gold

• Silver

• Copper

• Antimony

Which metal has the lowest electrode potential?

• Lead

• Tin

• Nickel

• Iron

What factor can intensify the effects of erosion corrosion?

• High velocity

• Low temperature

• Low humidity

• Low pressure

What is the main cause of UV damage to plastics?

• Moisture

• Temperature

• UV Light

• Oxygen