1. A salt solution is composed of salt and water. What process is used for separating salt from water in the solution? A. decantation C. filtration B. evaporation D. physical manipulation
2. Which statement describes decantation? It is a technique used to A. separate liquids from a solution B. produce salt by evaporating sea water C. separate less-dense liquid from a denser one D. remove insoluble solid from liquid using strainer
3. What will you do to remove oil from water? A. boil the water C. use a strainer B. use a stirrer D. pour out the oil
4. How do you separate gasoline from water? A. decantation C. evaporation B. distillation D. filtration
5. Which process is used in pouring out clear upper liquids without disturbing the sediments? A decantation C. evaporation B. distillation D. filtration
6. Clear water may be collected from muddy water. Place a glass of muddy water on top of a table. Allow the mud to settle. What do you call this method of separation? A. chromatography C. evaporation B. decantation D. using magnet
7. Which describes evaporation? A. gas changes into a liquid B. liquid changes into a gas C. liquid changes into a solid D. gas changes into a solid
8. What process is involved for a white glue to harden eventually? A. decantation C. evaporation B. distillation D. filtration
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Answer:
1.b 2.c 3.b 4.a 5.d 6.a 7.c 8.c
Answer:
pasinsya napo hanapinninyou nalang po ang answer