Displacement and competition reactions

Question 1

What are metal ores

Answer 1

Minerals found in the earth’s crust that are compounds containing metal. For example haematite (Fe2O3) contains iron and bauxite (Al2O3) contains aluminium. Very few metals like gold and silver can be found as elements (called native elements) compound metals require extraction.

Question 2

What might be observed in a displacement reaction

Answer 2

Bubbles, increase in temperature, solid appears