Learning Task 9: Choose the letter of the best answer. Write the chosen letter on a separate sheet of paper. 1. The insoluble substance from a liquid mixture was separated whereby a liquid passes through the holes in a filter paper. The solid particles are left behind. What method of separating mixture is used? C. filtration D using magnet A decantation B. evaporation 2. A method of separating excess liquid from food by heating. C. filtration D. using magnet A. decantation B. evaporation 3. Which of the following mixture can be separated by decantation? C. water and oil D. water and flour A. soy sauce and salt B. soy sauce and vinegar 4. To separate rocks into different sized particles for road building and other construction projects, which technique is applicable? C. sieving D. using magnet A. condensation B. evaporation 5. Which of these is NOT a technique in separating a mixture? A. decantation C. filtration B. dissolving D. Filtration through a filter? 6. Which of the following statement is correct about separating mixture A. The liquid passes through sieve but the solid particles are left behind. B. Insoluble substances from a liquid can be separated by using a fil- ter C. The liquid cannot passed in a filter. D. All of the above 7. What is the process by which water is separated by heating? A. decantation C. filtration B. evaporation D. sieving 8. What is the best technique in separating mixture of metals from other junk? A. aided by magnets C. filtration B. evaporation D. Sieving. ​