Struggling with your prescribed literature?
Our Literature Study Guides provide insights and analysis of themes and characters and includes guidelines for writing your exam.
polymerisation reaction that is started by a radical.
large deposits formed from the excrement and bodies of seabirds. Often found on islands.
rechargeable cells, such as the lead acid accumulator used in motor vehicles.
electromagnetic waves, similar to X-rays, but with a much shorter wavelength.
a chemical cell in which electrical energy from a battery is used to produce chemical reactions...
compounds that are different colours in acid and alkali environments.