8Gb Corrosion

Rusting is the corrosion of...

• Zinc

• Copper

• Iron

• Magnesium

Finish the equation: Zinc + oxygen -->

• Zinc hydroxide

• Zinc oxide

• Zinc oxygen

• Rust

What is required for rusting to occur?

• Oxygen

• Water

• Oxygen and water

What is the scientific name for rust?

• Iron hydroxide

• Iron oxide

• Rust oxide

• Rust hydroxide

Finish the equation: Aluminium + _________ --> Aluminium oxide

• Oxide

• Oxygen

• Oxygen + water

• Water

The reaction with oxygen at the surface of a metal is called...

• Rusting

• Galvanising

• Corrosion

• Reduction

The process of covering metal with a protective layer of a different metal to prevent corrosion is called...

• Rusting

• Galvanising

• Corrosion

• Electrolysis

Which of the following is not a property of metals?

• Malleable

• Conducts electricity

• Conducts heat

• Low melting and boiling point

What is this the definition of? "A substance that changes the speed of a reaction without being permanently changed itself."

• Metal

• Metal oxide

• Chemical

• Catalyst

In the formula TiO₂, how many oxygen atoms are present?

• 1

• 2

• 3

• 4