Skip to content

Course home

5.1 Obtaining and using metals

5.1 Obtaining and using metals

EasyMediumHard
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788
Question 11

Many copper ores are described as low-grade. This means that the percentage of copper in the ore is very small.

14 000 kg14\,000\text{ kg}14000 kg of one copper ore was found to contain 63.0 kg63.0\text{ kg}63.0 kg of copper.

Calculate the percentage of copper in this ore.

[2]
Markscheme

5.1 Obtaining and using metals Questions

  1. GCSE
  2. /Chemistry
  3. /5.1 Obtaining and using metals

110 exam-style questions on Edexcel GCSE Chemistry 5.1 Obtaining and using metals, covering 5.1.1 The reactivity series of metals, 5.1.2 Displacement reactions as redox reactions, 5.1.3 Extracting metals from ores by reduction, 5.1.4 Biological methods of metal extraction, 5.1.5 Resistance to oxidation and recycling metals, and 5.1.6 Life cycle assessment. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank