KS4 Methods of Extraction

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

Tags

NGSS.MS-PS1-1

Which of these elements is unlikely to be found native?

• gold
• platinum
• aluminium
• silver

What is the removal of oxygen from a substance called?

• reduction
• extraction
• electrolysis
• oxidation

What is the addition of oxygen to a substance called?

• decomposition
• reduction
• oxidation
• extraction

Which element cannot be extracted from its ore by reduction with carbon?

• iron
• aluminium
• copper
• lead

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 best extract iron from haematite (iron ore)?

• reduction by carbon
• electrolysis
• decomposition
• oxidation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-5

Many metals are extracted from their ores by heating them with carbon in huge furnaces. Which metal(s) cannot be extracted using this method?

• Aluminum

• Calcium

• Zinc

• Copper

Which statement is correct about extraction of iron from its ore?

• Iron is more difficult to extract than copper
• Iron is the easiest metal to extract
• Iron cannot be extracted from its ore