(a)[3]
Describe how you could obtain a pure sample of hydrated zinc sulfate crystals by using dilute sulfuric acid and excess zinc.
(b(i))[1]
What kind of chemical reaction is shown here? Tick one box.
(b(ii))[1]
Calculate the mass of zinc oxide produced when 63.0 g of anhydrous zinc sulfate is heated.
(c)[2]
Complete the table to work out the relative formula mass of anhydrous zinc sulfate, $\text{ZnSO}_4$. Use your Periodic Table to help you.
(d)[4]
Complete the table to show the numbers of electrons, protons and neutrons in the sulfur atom and the zinc ion shown.
(e)[1]
Define the term alloy.