3. Which of the following statements distinguishes pure substances from mixtures? A. Can be separated by physical means. C. Have no specific solubility and densities. B. Consists of two or more kinds of matter D. Have constant boiling temperature and melting temperature. 4. Which of the following materials will be used to separate a mixture of iron nails and sand? A. Alcohol Lamp B. Filter paper C. Magnet D. Spoon 5. To separate salt from water in a seawater mixture, what process is used? A. Condensation B. Distillation C. Evaporation D. Filtration muffin tins in warm water with food pries by either hand washing ake mix splatter from the mixer you are through using them​