(a(i))[1]
Name the reactant that is used up first.
(a(ii))[2]
State two observations that show the zinc is in excess.
(a(iii))[1]
Name the liquid collected as the filtrate.
(a(iv))[2]
Name two compounds that each react with dilute sulfuric acid to form aqueous zinc sulfate.
(b(i))[2]
State the meaning of the term saturated solution.
(b(ii))[1]
Explain why crystals appear as the saturated solution cools.
(c(i))[1]
State the name for crystals that contain water of crystallisation.
(c(ii))[1]
State why step 4 is repeated until the mass stops changing.
(c(iii))[4]
Determine the value of $x$ for $\text{NiSO}_4\cdot x\text{H}_2\text{O}$.