III. Assessment: Multiple Choice: Read each item carefully and encircle the letter of the correct answer. 1. Which of the following uses evaporation as a means of separating the components of the given mixture? A. Oil and water C. Sand and gravel D. Salt and water B. Pebbles and sand 2. What is the method of separating components from a mixture by blowing? A. Handpicking B. Threshing C. Winnowing D. Washing 3. What separation technique is used to separate sand and gravel? A. Sieving B. Floatation C. Use of Magnets D. Decantation a 4. How could you separate iron filings from a mixture of iron and sulfur? A. By adding water and filtering C. Using a magnet B. By distillation D. By winnowing 5. Which of the following method will you use to clean flour before using it to make cookies? A. Handpicking C. Winnowing B. Sieving D. Filtration​