In chemical reactions that include a solid as one of the reactants, you can actually change the reaction rate by varying the size of the solid that reacts with the liquid or the gas. How does this ...

Save guides, add subjects and pick up where you left off with your BBC account. In addition, how long a reaction is observed for depends on the rate of reaction. Reactions can vary from being ...

Learn about the factors that affect the yield of chemical reactions with Bitesize GCSE Combined Science (OCR 21C).