EASY
Upper Secondary: IGCSE
IMPORTANT
Earn 100

This table gives information about the extraction of three different metals from their main ores:
metal formula of main compound in ore method of extraction
 iron Fe2O3 Heating with carbon
aluminium Al2O3 Electrolysis
sodium NaCl Electrolysis

Explain why this is a reduction of ores?

Important Questions on Making Use of Metals

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 14 - Making Use of Metals>Checkup on Chapter 14>Q 1
This table gives information about the extraction of three different metals from their main ores:
metal formula of main compound in ore method of extraction
 iron Fe2O3 Heating with carbon
aluminium Al2O3 Electrolysis
sodium NaCl Electrolysis

How is the least reactive metal extracted from its ore? Choose from the third column.

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 14 - Making Use of Metals>Checkup on Chapter 14>Q 1
This table gives information about the extraction of three different metals from their main ores:
metal formula of main compound in ore method of extraction
 iron Fe2O3 Heating with carbon
aluminium Al2O3 Electrolysis
sodium NaCl Electrolysis

Explain why this is the reduction of the ore?

HARD
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 14 - Making Use of Metals>Checkup on Chapter 14>Q 1
This table gives information about the extraction of three different metals from their main ores:
metal formula of main compound in ore method of extraction
 iron Fe2O3 Heating with carbon
aluminium Al2O3 Electrolysis
sodium NaCl Electrolysis

Why can this method not be used for the more reactive metals?

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 14 - Making Use of Metals>Checkup on Chapter 14>Q 1
This table gives information about the extraction of three different metals from their main ores:
metal formula of main compound in ore method of extraction
 iron Fe2O3 Heating with carbon
aluminium Al2O3 Electrolysis
sodium NaCl Electrolysis

Which of the methods would you use to extract: potassium?

HARD
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 14 - Making Use of Metals>Checkup on Chapter 14>Q 1
This table gives information about the extraction of three different metals from their main ores:
metal formula of main compound in ore method of extraction
 iron Fe2O3 Heating with carbon
aluminium Al2O3 Electrolysis
sodium NaCl Electrolysis

Which of the methods would you use to extract : lead. Choose from the third column.

EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 14 - Making Use of Metals>Checkup on Chapter 14>Q 1
This table gives information about the extraction of three different metals from their main ores:
metal formula of main compound in ore method of extraction
 iron Fe2O3 Heating with carbon
aluminium Al2O3 Electrolysis
sodium NaCl Electrolysis

Which of the methods would you use to extract: Magnesium

EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 14 - Making Use of Metals>Checkup on Chapter 14>Q 2

Draw a diagram of the blast furnace. Show clearly on your diagram: where air is blasted into the furnace?

EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 14 - Making Use of Metals>Checkup on Chapter 14>Q 2

Draw a diagram of the blast furnace. Show clearly on your diagram: where the molten iron is removed?