Metal Reactivity

Iron + copper oxide =

• Iron + copper oxide

• Iron oxide + copper oxide

• Iron oxide + copper

• Magic

Which series is used to predict the reactions of metals with carbon and other elements?

• reactionary series
• reaction series
• redox series
• reactivity series

How would you extract silver?

• Heating with coke

• Electrolysis

• The blast furnace

• Silver is found uncombined

How are metal displacement reactions applied in the industry?

• Metal displacement reactions are used to generate electricity

• Metal displacement reactions are applied in cooking recipes

• Metal displacement reactions are used to clean water

• Metal displacement reactions are used to extract metals from ores, purify metals, and produce useful metal compounds.

Which metal is more reactive: zinc or copper?

• aluminum

• zinc

• iron

• gold

Which metal is more reactive: iron or silver?

• aluminum

• iron

• zinc

• gold

When Fe metal placed in CuSO4 solution the color of the solution changes from

• Green to blue

• blue to green

• blue to colorless

• green to colorless

Which metal is more reactive than calcium?

• magnesium

• potassium

• silver

• aluminum

How can you tell that a metal is reacting with water?

• Colour change
• Bright light
• Fizzing
• It gets colder

Choose the least reactive metal

• calcium

• magnesium

• iron

• copper