(a(i))[1]
Write the chemical equation for the reaction of magnesium with cold water.
(a(ii))[1]
Suggest why the solution appears cloudy after magnesium reacts with cold water.
(b(i))[2]
Explain why there is a general increase in reactivity from Mg to Ba.
(b(ii))[3]
Give two observations for the reaction of magnesium with oxygen. Write an equation for this reaction. Include state symbols.
(b(iii))[1]
Write an equation for the reaction of magnesium with sulfuric acid.
(b(iv))[3]
Suggest why there is a general decrease in the melting points of the elements down Group 2.