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
41–50 of 50 · Easy
Question 41
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 42
2 marks · Easy
Answer and see the solution →Describe two properties of high-carbon steel that make it different from mild steel.
Question 43
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 44
1 mark · Easy
Answer and see the solution →State one advantage of stainless steel over mild steel for use in kitchen equipment.
Question 45
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
Question 46
2 marks · Easy
Answer and see the solution →A manufacturer needs a material that is both malleable and can be drawn into wires for making bridges and electrical cables. Suggest which type of steel from the following is best suited, and give one reason using its properties.
Type of steel Properties Mild steel Strong, malleable, ductile, High-carbon steel Hard, wear-resistant, brittle Stainless steel Corrosion-resistant, less malleable (a)[2 marks]Give the name of the type of steel and one property that makes it suitable.
()[0 marks]()[0 marks]()[0 marks]Question 47
5 marks · Easy
Answer and see the solution →Zinc and iron are both important metals obtained from ores.
(a)[1 mark]State what an ore is.
(b)[1 mark]Name an unreactive metal that is often found native (uncombined) in the Earth's crust.
(c)[2 marks]Explain why carbon can be used to extract iron from its ore, but not aluminium.
(d)[1 mark]Zinc can be extracted by first roasting zinc sulfide in air. Write a word equation for this reaction.
Question 48
5 marks · Easy
Answer and see the solution →Aluminium and different types of steel are commonly used in construction and for making vehicles.
(a)[2 marks]Explain why aluminium resists corrosion and state one use of aluminium that makes use of this property.
(b)[3 marks]Mild steel and stainless steel are types of steel used in construction. For each type:
i) State ONE typical use.
ii) Explain, for each use, why that type of steel is suitable.
Question 49
5 marks · Easy
Answer and see the solution →A company is designing a new bridge. The main parts of the bridge can be made either from an aluminium alloy or from mild steel. The table below gives key properties of these materials:
Properties of aluminium alloy and mild steel Material Density (g/cm^3) Typical use Ability to resist corrosion Aluminium alloy 2.7 Aircraft, cables, building Yes Mild steel 7.8 Car bodies, bridges, nails No The bridge must be strong, corrosion-resistant, and lightweight.
(a)[2 marks]State one advantage and one disadvantage of using aluminium alloy instead of mild steel for the main structure of the bridge. Explain your choices.
(b)[2 marks]Calculate the mass of a metal beam of volume 2 m^3 made from (i) aluminium alloy and (ii) mild steel. Give your answers in kilograms.
(c)[1 mark]Explain why mild steel is preferred over high-carbon steel for making bridge structures.
Question 50
5 marks · Easy
Answer and see the solution →Aluminium and steels are widely used metals and alloys in everyday life.
(a)[2 marks]Describe why pure aluminium is rarely used in construction and how adding other elements strengthens it.
(b)[2 marks]Mild steel and high-carbon steel are two important types of steel. State the element that is mainly mixed with iron to make these steels and describe how their properties differ.
(c)[1 mark]State one typical use of high-carbon steel and explain why its properties make it suitable for this use.