Metal extraction

What method would be used in order to extract potassium?

• Heating with Carbon
• The blast furnace
• Potassium is a Native metal
• Electrolysis

Zinc Oxide + Carbon goes to 

• zinc oxide + carbon
• Zinc + Carbon dioxide
• Zinc + Carbon monoxide

In the blast furnace, limestone is added to...

• Create more heat
• Turn iron oxide into pure iron
• Remove acidic impurities

In the blast furnace, Hot air is added to the...

• Top of the furnace
• Middle of the furnace
• Bottom of the furnace

An excess of Carbon in the air added to the blast furnace can react to form

• Carbon Dioxide
• Carbon
• Carbon monoxide
• Calcium Carbonate

How would you extract Silver?

• Heating with coke
• Electrolysis
• The blast furnace
• Silver is a native metal

What method of extraction would be used to extract iron from iron ore?

• Electrolysis
• Heating with Charcoal
• Iron is a native metal

haematite is the name for

• Zinc Oxide
• Iron ore
• Calcium carbonate
• silver ore

Hot gases are released from the blast furnace at the...

• Bottom of the furnace
• Top of the furnace
• Middle of the furnace
• No hot gases are released

Complete the displacement reaction when tin oxide + Carbon

• tin oxide + carbon
• Tin + Carbon dioxide
• Tin + Carbon monoxide