4 Extracting metals and equilibria

Practice questions on Extracting metals and equilibria

• Zinc can be extracted from zinc oxide by reduction with carbon. Describe what happens duri… (4 marks, Describe and Explain)
• Iron is extracted from its ore using reduction with carbon in a blast furnace. Explain why… (4 marks, Explain)
• Explain why different methods are used to extract copper and aluminium from their ores, an… (4 marks, Explain)
• The Haber process is a reversible reaction used to produce ammonia. The reaction can reach… (4 marks, Describe and Explain)
• Describe what is meant by a reversible reaction and explain how a reversible reaction carr… (4 marks, Describe and Explain)
• When copper sulfate solution is mixed with excess anhydrous white copper sulfate powder in… (4 marks, Explain)
• A closed flask contains the following reversible reaction: dinitrogen tetroxide ⇌ nitrogen… (4 marks, Explain)
• Explain what is meant by dynamic equilibrium in a reversible reaction, and describe what h… (4 marks, Explain)
• Gold is found naturally as the pure metal in the Earth's crust, whilst copper is found mai… (4 marks, Explain)
• Titanium is a metal used in aircraft manufacture. It cannot be extracted from its ore by r… (4 marks, Explain)