1How does a physical property of a metal differ from a chemical property? Give an example of each.
2What happens when red and blue litmus are dipped into a solution of the ash from burnt magnesium? What does this show?
3Write balanced equations for aluminium and for iron reacting with oxygen.
4What is seen when magnesium ribbon is put into dilute hydrochloric acid? Write the equation.
5How can you test that the gas from a metal and an acid is hydrogen?
6Write the reaction of sodium with water. What care must be taken in this experiment?
7Which salt forms when zinc is put into dilute sulphuric acid, and why?
8Give any four differences between metals and non-metals.