(a)[3]
State three physical properties of metals.
(b)[2]
Complete the equation for this reaction. $\ldots\text{Zn} + \ldots\text{P} \rightarrow \text{Zn}_3\text{P}_2$
(c(i))[2]
Complete the diagram by: • finishing the circuit to show the wires and power pack • labelling the anode.
(c(ii))[2]
Name the products formed at each electrode. positive electrode negative electrode
(d(i))[1]
State what the symbol $\rightleftharpoons$ means.
(d(ii))[1]
Choose the pH value which is acidic. Draw a circle around your chosen answer. pH 3 pH 7 pH 9 pH 14
(e)[2]
Complete the table to work out the relative molecular mass of ZnC$_4$H$_{10}$.