(a(i))[2]
Give the oxide formula made when each element is heated in air. One entry has already been completed for you. Na = .......... Mg = .......... Al = $\text{Al}_2\text{O}_3$ P = .......... S = ..........
(a(ii))[4]
Describe the changes you would see when sodium and sulfur are heated separately in air, and give an equation for each reaction.
(b(i))[2]
Place the symbols of the elements in (a)(i) into the correct row of the table to show this behaviour.
(b(ii))[2]
State the bonding present in acidic and basic oxides.
(b(iii))[2]
Write equations for how aluminium oxide reacts with hydrochloric acid, $\text{HCl}$, and sodium hydroxide, $\text{NaOH}$.
(c)[2]
Explain how an impurity in carbonaceous fuels can lead to acid rain. Name the impurity required.