II. Multiple Choice, Choose the separation technique from the choices that is the best way to use in separating the components of each given mixture. Write only the letter of your answer.
11. Salt and water solution
A. handpicking
D. sieving
B. evaporation
C. magnetic separation
12. Mixture of sand and stones
A sieving
B. decantation
C. floatation
D. evaporation
13. Mixture of one-peso coins and five-peso coins
A distillation
B. floatation
C. handpicking
D. winnowing
14. Mixture of flour and iron nails
A. magnetic separation
B. floatation
C. threshing
D. filtration
15. Mixture of sand and water
A. handpicking
D. floatation
B. filtration
C. winnowing
16. Mixture of water and acetone
A. filtration
B. sieving
C. distillation
D. evaporation
17. Mixture of sand and pencil shavings
A. evaporation
B. decantation
C. distillation
D. floatation
18. Mixture of white clothes and colored clothes
A. filtration
B. winnowing
C. evaporation
D. handpicking
19. Mixture of stones and small pieces of paper
A. winnowing
B. decantation
C. magnetic separation
D. distillation
20. Mixture of oil and water
A. filtration
B. sieving
C. decantation
D. winnowing
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Answer:
11.evaporation
Sieving
Handpicking
Magnetic separation
Filtration
Distillation
Floatation
Handpicking
Winnowing
Decantation