Pretest Directions: Read each question carefully. Write the letter of the correct answer on the answer sheet provided on page 10. 1. Which of these will dissolve in water? A. flour B) pepper C. sand D. sugar 2. Which of the following solid materials will NOT dissolve completely in water? A. coffee B. flour C. salt D. vetsin 3. What will happen if the flour is mixed with cold water? The flour will A. dissolve partially in water. B. not dissolve in water at all. C. dissolve completely in water. D. not settle at the bottom of the water. 4. What will happen to alcohol and water when mixed? The alcohol and water will A. mix completely. C. mix partially. B. evaporate completely. D. form two layers. 5. Which of the following liquids will NOT completely mix with water? A. alcohol B. cooking oil C. soy sauce D. vinegar 2​