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PS CH 2 Test (14-15)
asalt water
  • 1. Salty water is
A) a compound.
B) an element.
C) a homogenus mixture.
D) a heterogeneous mixture.
asand water
  • 2. Sand water is
A) a heterogeneous mixture.
B) an element.
C) a compound.
D) a homogeneous mixture.
aoxygen
  • 3. Oxygen is
A) a homogeneous mixture.
B) a heterogeneous mixture.
C) a compound.
D) an element.
aveg soup
  • 4. Vegetable soup is
A) an element.
B) a heterogeneous mixture.
C) a homogeneous mixture.
D) a compound.
agator
  • 5. Gatorade is
A) a compound.
B) a heterogeneous mixture.
C) a homogeneous mixture.
D) an element.
arion
  • 6. Iron is
A) a heterogeneous mixture.
B) an element.
C) a homogeneous mixture.
D) a compound.
asod ben
  • 7. Sodium benzoate is
A) a heterogeneous mixture.
B) a compound.
C) a homogeneous mixture.
D) an element.
astainless
  • 8. Stainless steel is
A) a heterogeneous mixture.
B) an element.
C) a homogeneous mixture.
D) a compound.
atrail mix
  • 9. A bag of trail mix is
A) a heterogeneous mixture.
B) a compound.
C) a homogeneous mixture.
D) an element.
afish
  • 10. An aquarium with a large variety of fish is
A) a heterogeneous mixture.
B) a compound.
C) a homogeneous mixture.
D) an element.
acad
  • 11. Cadmium is
A) an element.
B) a heterogeneous.
C) a homogeneous mixture.
D) a compound.
aneon
  • 12. Neon is
A) a heterogeneous mixture.
B) an element.
C) a homogeneous mixture.
D) a compound.
aair
  • 13. Air is
A) a homogeneous mixture.
B) an element.
C) a compound.
D) a heterogeneous mixture.
awater
  • 14. Dihydrogen monoxide is
A) an element.
B) a compound.
abronze
  • 15. Bronze is
A) an element.
B) a homogeneous mixture.
C) a compound.
D) a heterogeneous mixture.
afilter
  • 16. Water that is cloudy with fine silt
A) evaporation is the best method for separating the parts
B) distillation is the best method for separating the parts.
C) filtration is the best method for separating the parts
D) using a sieve is the best method for separating the parts
adist
  • 17. Water and alcohol
A) using a sieve is the best method for separating the parts
B) decanting is the best method for separating the parts
C) evaporation is the best method for separating the parts
D) distillation is the best method for separating the parts.
achrom
  • 18. Colors that make up black ink
A) decanting is the best method for separating the parts
B) chromatography
C) using a sieve is the best method for separating the parts
D) distillation is the best method for separating the parts.
acoff
  • 19. Coffee grounds and water
A) using a sieve is the best method for separating the parts
B) filtration is the best method for separating the parts
C) decanting is the best method for separating the parts
D) distillation is the best method for separating the parts.
alitter
  • 20. Cat poo from the nasty litter box
A) pick out the parts
B) distillation is the best method for separating the parts.
C) filtration is the best method for separating the parts
D) decanting is the best method for separating the parts
arocks
  • 21. Oil and heavy rocks
A) chromatography
B) decanting is the best method for separating the parts
C) evaporation is the best method for separating the parts
D) distillation is the best method for separating the parts.
asaltev
  • 22. Salt and water
A) evaporation is the best method for separating the parts
B) decanting is the best method for separating the parts
C) using a sieve is the best method for separating the parts
D) distillation is the best method for separating the parts.
agrap
  • 23. Small pieces of dirt from large grapes
A) decanting is the best method for separating the parts
B) using a sieve is the best method for separating the parts
C) distillation is the best method for separating the parts.
D) chromatography
aden
  • 24. Density
A) is a physical property.
B) is a chemical property.
aflamm
  • 25. Flammability
A) is a physical property.
B) is a chemical property.
amas
  • 26. Mass
A) is a physical property.
B) is a chemical property.
acol
  • 27. Color
A) is a chemical property.
B) is a physical property.
asodwate
  • 28. The ability to react with water
A) is a physical property.
B) is a chemical property.
  • 29. The ability to react with oxygen
A) is a chemical property.
B) is a physical property.
  • 30. Weight
A) is a physical property.
B) is a chemical property.
  • 31. Conductivity
A) is a physical property.
B) is a chemical property.
  • 32. Malleability
A) is a physical property.
B) is a chemical property.
  • 33. Ductility
A) is a physical property.
B) is a chemical property.
  • 34. Reacts with any other substance
A) is a physical property.
B) is a chemical property.
  • 35. Magnetic
A) is a chemical property.
B) is a physical property.
  • 36. Brittleness
A) is a chemical property.
B) is a physical property.
  • 37. The ability to react with acid
A) is a physical property.
B) is a chemical property.
  • 38. Texture
A) is a physical property.
B) is a chemical property.
  • 39. Which one of these indicates a chemical change has occurred?
A) Sand sinks to the bottom of a glass of water.
B) Bubbles are produced when vinegar is mixed with baking soda.
C) An empty coke can crumbles when it is stepped upon.
D) The red T-shirt fades to pink when washed in hot water.
  • 40. Which one of these indicates a chemical change has occurred?
A) The surface of an electric stove gets hot when the stove eye is turned on.
B) The wax in a birthday candle burns.
C) Snow falls from the sky when the temperature drops to 20 degrees Farenheit.
D) A tan colored wall is turned blue when it is painted with blue paint.
  • 41. Which one of these indicates a chemical change has occurred?
A) A large slab of aluminum is pressed into thin foil.
B) An electric heating pad gets warm when it is turned on.
C) Bubbles come out of the water in a pan when it boils.
D) A white salty substance forms on the bottom of a coke can that has been left in a bucket of water.
  • 42. Which one of these indicates a chemical change has occurred?
A) A banana will become very runny when crushed in a blender.
B) Cheese melts on a hot hamburger.
C) Liquid water turns into solid ice when placed in the freezer.
D) A white marshmallow turns golden brown after roasting over a fire.
  • 43. Which of these is a physical change?
A) burning a garbage pile
B) sharpening a pencil
C) frying an egg
D) exploding dynamite
  • 44. Which of these is a chemical change?
A) the car window get frosted on a cold winter morning
B) the car gets hot after sitting in the sunny parking lot all day
C) burning gasoline in the car
D) crumpling the metal door of a car during an accident
  • 45. What type of change is digesting food?
A) chemical change
B) physical change
  • 46. What type of change is mixing cookie dough?
A) physical change
B) chemical change
  • 47. This type of mixture consists of two liquids that DO NOT dissolve in one another.
A) immiscible
B) miscible
  • 48. This type of mixuture consists of two liquids that DO dissolve in one another.
A) immiscible
B) miscible
  • 49. What type of mixture is oil and water?
A) immiscible
B) miscible
  • 50. What type of mixture is alcohol and water?
A) immiscible
B) miscible
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