With the Moon passing into its third phase it seems likely that a question on gases will arise probably to do with equilibrium. Also, with Mercury in close proximity to Aquarius, a rise in temperature required to break strong hydrogen bonds in water is indicated. The sign of the lion, Leo, will be a feature of the exam so remember that Loss of Electrons is Oxidation. In short, I predict that it is wise to learn everything on the syllabus as Scorpio will be the sting in the tail of the paper that will trouble Uranus if not.