(a)[1]
Write an equation showing the effect of heat on calcium nitrate, $\text{Ca(NO}_3)_2$.
(b)[3]
Describe and explain the trend in the thermal stabilities of the nitrates of Group II elements.
(c(i))
Suggest an equation for the thermal decomposition of lithium carbonate.
(c(ii))
Suggest a reason why these two carbonates differ in reactivity.
(c(iii))[4]
Predict what would be observed if a sample of lithium nitrate were heated. Explain your answer.