Alloys and their properties — Paper 1 · IGCSE Sciences - Co-ordinated (Double) 0654

19 An alloy is used for making an aircraft body. Which properties does this alloy need to have? high electrical low density conductivity A no no B no yes C yes no D yes yes

1 marks

Answer: C

This question in 0654/11 May/June 2008

26 Duralumin and magnalium are alloys used in the manufacture of aircraft. They both contain aluminium and another metallic element. The alloys are made up of ……1…… of each element. They are used because they are ……2…… than the pure metals. Which words complete gaps 1 and 2? 1 2 A atoms harder B atoms softer C molecules harder D molecules softer

1 marks

Answer: A

This question in 0654/12 May/June 2013

24 Some uses of alloys are shown. solder coins tools Which statement about alloys is correct? A They are always stronger than the metals from which they are made. B They are made from metals because metals are poor electrical conductors. C They contain mixtures of compounds that contain metals. D They have different properties to the metals from which they are made.

1 marks

Answer: D

This question in 0654/11 Oct/Nov 2014

25 Some uses of alloys are shown. solder coins tools Which statement about alloys is correct? A They are always stronger than the metals from which they are made. B They are made from metals because metals are poor electrical conductors. C They contain mixtures of compounds that contain metals. D They have different properties to the metals from which they are made.

1 marks

Answer: D

This question in 0654/12 Oct/Nov 2014

24 Which mixture forms an alloy? A copper and zinc B hydrogen and oxygen C iron and sulfur D sugar and water

1 marks

Answer: A

This question in 0654/12 May/June 2016

24 Some properties of aluminium are listed. 1 It conducts heat. 2 It has a low density. 3 It has strong alloys. 4 It is resistant to corrosion. Which properties make aluminium useful in aircraft manufacture? A 1, 2 and 3 B 1, 2 and 4 C 1, 3 and 4 D 2, 3 and 4

1 marks

Answer: D

This question in 0654/11 Oct/Nov 2016

24 Four properties of metals are listed. 1 high melting point 2 low density 3 resistance to corrosion 4 conducts electricity Which properties make aluminium suitable for use in cans containing drinks? A 1 and 2 B 1 and 4 C 2 and 3 D 3 and 4

1 marks

Answer: C

This question in 0654/11 Oct/Nov 2019

23 Zinc is mixed with molten element X. A new material, Y, is made. Y conducts electricity. Which type of substance is Y? A alloy B covalent compound C macromolecule D ionic compound

1 marks

Answer: A

This question in 0654/12 Oct/Nov 2019

22 Why does the steel used to make a drill contain manganese? A to increase the density of the steel B to increase the hardness of the steel C to increase the malleability of the steel D to increase the melting point of the steel

1 marks

Answer: B

This question in 0654/11 Oct/Nov 2021

22 Why does the steel used to make a drill contain manganese? A to increase the density of the steel B to increase the hardness of the steel C to increase the malleability of the steel D to increase the melting point of the steel

1 marks

Answer: B

This question in 0654/12 Oct/Nov 2021

22 Why does the steel used to make a drill contain manganese? A to increase the density of the steel B to increase the hardness of the steel C to increase the malleability of the steel D to increase the melting point of the steel

1 marks

Answer: B

This question in 0654/13 Oct/Nov 2021

22 Duralumin and magnalium are alloys used in the manufacture of aircraft. They both contain aluminium and another metallic element. The alloys are made up of ……1…… of each element. They are used because they are ……2…… than the pure metals. Which words complete gaps 1 and 2? 1 2 A atoms harder B atoms softer C molecules harder D molecules softer

1 marks

Answer: A

This question in 0654/12 Feb/March 2022

23 Alloys are formed by dissolving one metal in another. Alloys are ……1…… . ……2…… alloys conduct electricity. Which words complete gaps 1 and 2? 1 2 A compounds All B compounds Some C mixtures All D mixtures Some

1 marks

Answer: C

This question in 0654/11 Oct/Nov 2022

23 Alloys are formed by dissolving one metal in another. Alloys are ……1…… . ……2…… alloys conduct electricity. Which words complete gaps 1 and 2? 1 2 A compounds All B compounds Some C mixtures All D mixtures Some

1 marks

Answer: C

This question in 0654/12 Oct/Nov 2022

23 Alloys are formed by dissolving one metal in another. Alloys are ……1…… . ……2…… alloys conduct electricity. Which words complete gaps 1 and 2? 1 2 A compounds All B compounds Some C mixtures All D mixtures Some

1 marks

Answer: C

This question in 0654/13 Oct/Nov 2022

24 Which process is used to increase the hardness of a metal? A Mix the metal with a gas. B Mix the metal with another element. C Mix the metal with a polymer. D Mix the metal with its ore.

1 marks

Answer: B

This question in 0654/12 May/June 2024

24 Which process is used to increase the hardness of a metal? A Mix the metal with a gas. B Mix the metal with another element. C Mix the metal with a polymer. D Mix the metal with its ore.

1 marks

Answer: B

This question in 0654/13 May/June 2024

20 What is an alloy? A a compound B a mixture C a metallic element D a non-metallic element

1 marks

Answer: B

This question in 0654/12 May/June 2025

20 What is an alloy? A a compound B a mixture C a metallic element D a non-metallic element

1 marks

Answer: B

This question in 0654/13 May/June 2025