(a)[3]
Draw a diagram to show how the student separates the colourless solution from the black solid. In your diagram, label the apparatus, the black solid and the colourless solution.
(b(i))[8]
Complete the table. Give the name of any gas formed and describe the tests used to identify the gas.
(b(ii))[1]
Use the results from tests 2 and 3 only to name an ionic compound in the mixture.
(c)[4]
Complete the table to test the insoluble black solid.