1.What is a useful characteristic of aluminium?2Uses for aluminium at home?3Properties that make aluminium useful in these places?4.Explain how calcium is a reactive element.5What is the chemical formular for iron (iii) oxide?6What is a useful characteristic of iron?7List some uses for iron at home.8What properties make iron useful in these places? 9What is a problem with or limintation on the use of iron?10Magnesium is sometimes used in flares or fireworksExplain what characteristics supports this.Thanks! I can't find answers for these! Even if you can't answer all, any help will do!