Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Unit
Inorganic Chemistry
869 practice questions
Topics covered
- The Alkali Metals85 practice questions
- The Halogens86 practice questions
- Gases in the Atmosphere86 practice questions
- Reactivity Series163 practice questions
- Extraction and Uses of Metals128 practice questions
- Acids, Alkalis and Titrations83 practice questions
- Acids, Bases and Salt Preparations156 practice questions
- Chemical Tests68 practice questions
Practice questions
211–220 of 359 · Easy
Question 211
3 marks · Easy
Answer and see the solution →Aluminium is widely used for outdoor electrical wiring and food packaging.
(a)[1 mark]Give one property of aluminium that makes it suitable for outdoor electrical wiring.
(b)[1 mark]Give one property that makes aluminium suitable for packaging food.
(c)[1 mark]Explain, with a reason, how the properties of aluminium relate to its use in these cases.
Question 212
2 marks · Easy
Answer and see the solution →A piece of pure aluminium can support a maximum load of 90 N before it bends permanently. An alloy of aluminium of the same size supports a load of 190 N before permanent bending. Calculate the difference in maximum loads supported, and state the reason for this difference.
Question 213
1 mark · Easy
Answer and see the solution →State one disadvantage of using mild steel instead of stainless steel for outdoor structures.
Question 214
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 215
2 marks · Easy
Answer and see the solution →Describe two properties of high-carbon steel that make it different from mild steel.
Question 216
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 217
1 mark · Easy
Answer and see the solution →State one advantage of stainless steel over mild steel for use in kitchen equipment.
Question 218
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 219
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 220
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.