Metal Reactivity

How are metal oxides formed?

• When metals react with oxide.
• When metals react with water.
• When metals react with air.
• When metals react with oxygen.

Which of the following is the product of the reaction of aluminium and oxygen?

• aluminium oxide.
• metal oxide
• aluminium ore
• aluminium and oxygen

Aluminium ore is also known as

• haematite
• bauxite
• ore
• rock

Which of the following reactions produces calcium oxide?

• calcium and oxide
• calcium and water
• calcium and air
• calcium and oxygen

Which of the following defines oxidation?

• A chemical reaction where a substance gains oxygen.
• A chemical reaction where a substance loses oxygen.
• A chemical reaction where a substance loses a metal.
• A chemical reaction where a substance gains a metal.

What is an ore?

• a solid metal
• a rock cantaining a metal combined with other elements
• an element
• an object used to row a boat

Which of these elements is unlikely to be found native?

• gold
• platinum
• aluminium
• silver

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

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

What is the name of the process that uses electricity to separate the elements in a compound?

• reduction
• electrolysis
• extraction
• mining

How would you extract silver?

• Heating with coke

• Electrolysis

• The blast furnace

• Silver is found uncombined