Skip to content

Course home

5.1 Obtaining and using metals

5.1 Obtaining and using metals

EasyMediumHard
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788
Question 50

During the extraction of copper, copper oxide (CuO\text{CuO}CuO) is heated with carbon (C\text{C}C) to yield copper metal and carbon dioxide gas.

What happens to the copper oxide during this chemical reaction?

A

the copper oxide is oxidised

B

the copper oxide is neutralised

C

the copper oxide is thermal decomposed

D

the copper oxide is reduced

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