Have a go at the seven questions on the next screen.

You should be able to answer the questions by using
the meaning of solubility expressions.

In some questions you will not be given the RMM of a compound. However, a simple periodic table is available so that you can work out the RMM. To see the table just click on the button called "Periodic Table". "To clear the table from the screen, click on "Click to Continue".