Other questions in this quiz

2. What is the definition of an ore?

  • An ore contains enough metal to make it economic to extract the metal
  • An ore is a mixture of metals
  • An ore is the product of a reaction
  • An ore is an unreactive metal

3. What must happen to ores before the metal is extracted and purified?

  • The ore must become less dense
  • The ore must be put in a catalyst
  • The ore must be mined and concentrated
  • The ore must have more metals added to it

4. Metals that are less reactive than carbon can be extracted from their oxides by?

  • Catalysts
  • Reduction with oxygen
  • Reduction with carbon
  • Electrolysis


No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all Metals, metal ores and alloys resources »