1. What type of solution is formed when gas is dissolved in liquid? *
2 points
carbonated water
hard water
vinegar
wine
2. Which of the following environmental problems can be separated by physical manipulation? *
2 points
oil spill
garbage in the landfill
flood water
smog
3. Which substance is a mixture? *
2 points
oxygen
tap water
chicken noodle soup
carbon dioxide
4. Which is a solvent in a cup of coffee? *
2 points
coffee
creamer
sugar
water
5. The children prepared juice drink for their food festival by dissolving powdered juice in a water. What kind of mixture did they form? *
2 points
colloids
suspension
solution
saturated solution
6. An oil spill is one of the environmental problem that occur in the bodies of water. What kind of mixture is formed when oil is mixed with water? *
2 points
colloids
suspension
solution
saturated solution
7. Which is an example of a colloid? *
2 points
mayonnaise
liquid juice
cooking oil
bubbles in water
8. Which is a miscible solution? *
2 points
coconut oil to distilled water
bleach to water
gasoline to tap water
grease to liquid soap
9. ________ is a technique used in separating a soluble solid from a liquid ( a soluble substance does dissolve to form a solution ). *
2 points
filtration
evaporation
decantation
sieving
10. _______ is a technique in which an insoluble solid is separated from a liquid. It uses a filter like mesh cloth or filter paper to separate solid components from a liquid. *
