Cambridge International IGCSE Chemistry (0620) · CAIE 0620
9 Metals
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
Practice questions on Metals
- Zinc is a metal that can be extracted from zinc oxide by heating with carbon. State the na… (4 marks, Explain)
- Copper can be extracted from copper(II) oxide by heating with carbon. Explain why this met… (4 marks, Explain)
- Explain why aluminium is extracted from its ore by electrolysis rather than by reduction w… (4 marks, Explain)
- A farmer stores iron machinery outdoors. Some machinery is painted and some is left unpain… (4 marks, Explain)
- Explain why iron rusts more quickly when it is in contact with salt water compared with pu… (4 marks, Explain)
- Explain why zinc can displace copper from copper sulfate solution, but copper cannot displ… (4 marks, Explain)
- Solder is an alloy traditionally made from tin and lead. Suggest why solder is more useful… (4 marks, Suggest)
- A student investigates the reactivity of four metals: aluminium, iron, platinum, and potas… (4 marks, Describe)
- Explain why tungsten is used to make the filaments in incandescent light bulbs and why lea… (4 marks, Explain)
- Describe how the conditions needed for rusting can be demonstrated experimentally, and sta… (4 marks, Describe)
- Describe how galvanising protects iron from rusting, and explain why this protection conti… (4 marks, Describe and Explain)
- Explain why copper is used for electrical wiring and aluminium is used to make aircraft bo… (4 marks, Explain)
- Copper pipes are widely used in plumbing systems to carry hot and cold water. State and ex… (4 marks, State and explain)
- A ship's hull is made of steel. Blocks of magnesium are bolted to the outside of the hull … (4 marks, Explain)
- Explain why metals have high melting points and why they can be drawn into wires without b… (4 marks, Explain)
- Describe how iron is extracted from its ore in a blast furnace. Include the role of coke a… (4 marks, Describe)
- Explain why some metals are found as native metals in the Earth's crust whilst others must… (4 marks, Explain)
- Steel cables are used to suspend large bridges. Suggest why the metallic structure of stee… (4 marks, Suggest)
- Explain why metals are able to conduct electricity and why they can be bent into different… (4 marks, Explain)
- Describe four properties of metals that make them suitable for use as electrical wiring an… (4 marks, Describe)