Answer the following questions: 1. Define what is a pure solid/liquid or gas 2. Explain the difference between a pure substance and an impure substance 3. Define an element, compound and mixture 4. Explain the process of chromatography ( with a diagram) 5. Explain the process of simple distillation (with a diagram) Answer the following questions: 1. Define what is a pure solid/liquid or gas 2. Explain the difference between a pure substance and an impure substance 3. Define an element, compound and mixture 4. Explain the process of chromatography ( with a diagram) 5. Explain the process of simple distillation (with a diagram)
