Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Chapter
Extraction and Uses of Metals
128 practice questions
Topics covered
- Extracting metals from their ores19 practice questions
- Metals below carbon in the reactivity series19 practice questions
- Metals above carbon in the reactivity series18 practice questions
- Properties and uses of some metals19 practice questions
- Uses of aluminium19 practice questions
- Properties and uses of different kinds of steel20 practice questions
Practice questions
91–100 of 128
Question 91
4 marks · Normal
Answer and see the solution →A student compares aluminium and iron for use in outdoor bicycle frames.
(a)[1 mark]Suggest one property of aluminium that makes it especially good for outdoor frames.
(b)[1 mark]Name the substance that makes aluminium resistant to corrosion.
(c)[2 marks]Describe how this substance forms and protects the aluminium beneath.
Question 92
2 marks · Hard
Answer and see the solution →Explain why aluminium does not readily corrode, even though it is a reactive metal.
Question 93
5 marks · Hard
Answer and see the solution →Aluminium has several important uses in everyday life.
(a)[4 marks]State two uses of aluminium and, for each, explain which property of aluminium (or its alloys) makes it suitable for that use.
(b)[1 mark]Explain why aluminium is used for overhead power cables, even though it is not as strong as steel.
Question 94
2 marks · Hard
Answer and see the solution →Describe two ways aluminium can be made stronger for practical applications.
Question 95
1 mark · Easy
Answer and see the solution →State one disadvantage of using mild steel instead of stainless steel for outdoor structures.
Question 96
3 marks · Easy
Answer and see the solution →The properties of steels determine their common uses.
(a)[1 mark]Give one use for mild steel.
(b)[1 mark]State one use for high-carbon steel.
(c)[1 mark]Give one use for stainless steel.
Question 97
2 marks · Easy
Answer and see the solution →Describe two properties of high-carbon steel that make it different from mild steel.
Question 98
3 marks · Easy
Answer and see the solution →Table 1 gives the compositions and typical uses of different steels.
Table 1: Types of steel Type of steel Composition Use Mild steel up to 0.25% carbon bridges High-carbon steel 0.6–1.2% carbon masonry nails Stainless steel chromium (and nickel) cooking utensils (a)[1 mark]Which type of steel is best for making cutting tools?
(b)[1 mark]Explain why high-carbon steel is suitable for this use.
(c)[1 mark]Give one reason why stainless steel is used for cooking utensils.
Question 99
1 mark · Easy
Answer and see the solution →State one advantage of stainless steel over mild steel for use in kitchen equipment.
Question 100
3 marks · Easy
Answer and see the solution →Describe the compositions of the following types of steel.
(a)[1 mark]Mild steel
(b)[1 mark]High-carbon steel
(c)[1 mark]Stainless steel