Pearsons - 9Fe - Aluminium Extraction

Watch this video https://www.youtube.com/watch?v=WaSwimvCGA8 and then answer the questions.

What is the third most common element in the Earth's crust?

• Aluminium

• Lead

• Copper

• Iron

How is aluminium extracted from its oxide?

• Evaporation

• Electrolysis

• Filtration

• Chemical reaction

Where is alumina imported from for the extraction of aluminium?

• Jamaica

• Australia

• Ireland

• Spain

• Brazil

What is the temperature of the electrolyte during the electrolysis process?

• 855 degrees Celsius

• 1055 degrees Celsius

• 750 degrees Celsius

• 955 degrees Celsius

What is the aluminium ore dissolved in ?

• Crybaby

• Alumina

• Cryolite

• They are simply molten

What is the approximate amount of aluminium produced by each cell per hour?

• 40 kilograms

• 30 kilograms

• 20 kilograms

• 50 kilograms

How is liquid aluminium shaped into different forms?

• Extrusion

• Casting

• Machining

• Forging