Chemical formula - Molecular formula. 1  Molecular formulas indicate the simple numbers of each type of atom in a molecule of a molecular substance. 2  A molecular formula shows the number of elements in a molecule, and determines whether it is a binary compound, ternary compound, quaternary compound or has even more elements.
Fortunately, there is another resource available that allows you to get Hazard Perception Test practice in WA. They are online HPT practice tests provided by the South Australian version of the Department of Transport. The practice tests feature clips very similar to those in the real HPT.
The maximum score that can be obtained for the hazard perception part of the theory test is 75 (i.e. 15x5). To pass the hazard perception part of the Car, moped and motorcycle theory test you must obtain a score of 44. To pass the theory test you must pass both parts. If you fail either part you are required to take both parts of the test again. About the new DVSA Hazard Perception Test video clips in CGI format.