These different types of mixtures are interesting but might not be essential knowledge for GCSE Chemistry. The descriptions are non-technical (omitting details, e.g. of particle sizes), but sufficient for general comparison. Thesubstancesof which a mixture is formed can sometimes be identified visua...
Biodiesel, which is made from the fatty acid methyl (extracted from animal fats) and food oils, is also being introduced for diesel engines. Hydrogen in hydrogen vehicles as well as natural gas in natural gas vehicles is also being encouraged. Scientists are also developing advanced technologies ...