(a)[3]
Complete the diagram so it shows the apparatus the student could use to collect and measure the gas released. Label your diagram.
(b(i))[1]
Use the graph to deduce when the reaction had finished.
(b(ii))[1]
Use the graph to deduce the gas volume produced when the reaction had finished.
(c)[2]
On the grid, draw a graph showing how gas volume varies with time when a lower concentration of dilute hydrochloric acid is used.
(d(i))[1]
State the name of one iron ore.
(d(ii))[4]
Complete the sentences describing the reactions that take place in a blast furnace using words from the list.