GCSE Chemistry Separating Mixtures Study Guide Exam With Solved Solutions 2024.

Mixture - Answer made up of two or more substances that are not chemically combined 3 properties of compounds - Answer -fixed composition, the same ratio of each element -only chemical reactions can separate elements -chemical bonds between atoms 3 properties of mixtures - Answer -no fixed composition, the amount of the different substances can change -can be separated easily, using the properties of the different substances -no chemical bonds between atoms/compound in mixture 4 methods of separation - Answer filtration crystallisation distillation chromotography When is filtration used? - Answer To separate an insoluble solid from a liquid Method for filtration - Answer 1) Pour mixture into a beaker, and prepare another beaker containing a funnel with filter paper inside it 2) Pour the mixture into the funnel, and wait for the liquid to pass through the filter paper 3) Collect the residue from the filter paper, and evaporate any water off it filtration diagram - Answer