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PS CH 2 Test (14-15) - Examen
asalt water
  • 1. Salty water is
A) a heterogeneous mixture.
B) an element.
C) a homogenus mixture.
D) a compound.
asand water
  • 2. Sand water is
A) a homogeneous mixture.
B) a heterogeneous mixture.
C) a compound.
D) an element.
aoxygen
  • 3. Oxygen is
A) a homogeneous mixture.
B) an element.
C) a compound.
D) a heterogeneous mixture.
aveg soup
  • 4. Vegetable soup is
A) an element.
B) a compound.
C) a homogeneous mixture.
D) a heterogeneous mixture.
agator
  • 5. Gatorade is
A) a homogeneous mixture.
B) a heterogeneous mixture.
C) an element.
D) a compound.
arion
  • 6. Iron is
A) an element.
B) a homogeneous mixture.
C) a compound.
D) a heterogeneous mixture.
asod ben
  • 7. Sodium benzoate is
A) a homogeneous mixture.
B) a heterogeneous mixture.
C) an element.
D) a compound.
astainless
  • 8. Stainless steel is
A) a compound.
B) a homogeneous mixture.
C) a heterogeneous mixture.
D) an element.
atrail mix
  • 9. A bag of trail mix is
A) a heterogeneous mixture.
B) a homogeneous mixture.
C) an element.
D) a compound.
afish
  • 10. An aquarium with a large variety of fish is
A) a compound.
B) a homogeneous mixture.
C) a heterogeneous mixture.
D) an element.
acad
  • 11. Cadmium is
A) a homogeneous mixture.
B) an element.
C) a compound.
D) a heterogeneous.
aneon
  • 12. Neon is
A) a homogeneous mixture.
B) an element.
C) a heterogeneous mixture.
D) a compound.
aair
  • 13. Air is
A) an element.
B) a heterogeneous mixture.
C) a compound.
D) a homogeneous mixture.
awater
  • 14. Dihydrogen monoxide is
A) an element.
B) a compound.
abronze
  • 15. Bronze is
A) a homogeneous mixture.
B) an element.
C) a compound.
D) a heterogeneous mixture.
afilter
  • 16. Water that is cloudy with fine silt
A) distillation is the best method for separating the parts.
B) evaporation is the best method for separating the parts
C) using a sieve is the best method for separating the parts
D) filtration is the best method for separating the parts
adist
  • 17. Water and alcohol
A) decanting is the best method for separating the parts
B) using a sieve 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) using a sieve is the best method for separating the parts
B) chromatography
C) distillation is the best method for separating the parts.
D) decanting is the best method for separating the parts
acoff
  • 19. Coffee grounds and water
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) filtration is the best method for separating the parts
alitter
  • 20. Cat poo from the nasty litter box
A) decanting is the best method for separating the parts
B) filtration is the best method for separating the parts
C) distillation is the best method for separating the parts.
D) pick out the parts
arocks
  • 21. Oil and heavy rocks
A) evaporation is the best method for separating the parts
B) chromatography
C) decanting is the best method for separating the parts
D) distillation is the best method for separating the parts.
asaltev
  • 22. Salt and water
A) using a sieve is the best method for separating the parts
B) distillation is the best method for separating the parts.
C) decanting is the best method for separating the parts
D) evaporation is the best method for separating the parts
agrap
  • 23. Small pieces of dirt from large grapes
A) chromatography
B) decanting is the best method for separating the parts
C) distillation is the best method for separating the parts.
D) using a sieve is the best method for separating the parts
aden
  • 24. Density
A) is a chemical property.
B) is a physical property.
aflamm
  • 25. Flammability
A) is a chemical property.
B) is a physical property.
amas
  • 26. Mass
A) is a chemical property.
B) is a physical 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 chemical property.
B) is a physical 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 physical property.
B) is a chemical property.
  • 37. The ability to react with acid
A) is a physical property.
B) is a chemical property.
  • 38. Texture
A) is a chemical property.
B) is a physical property.
  • 39. Which one of these indicates a chemical change has occurred?
A) An empty coke can crumbles when it is stepped upon.
B) Bubbles are produced when vinegar is mixed with baking soda.
C) The red T-shirt fades to pink when washed in hot water.
D) Sand sinks to the bottom of a glass of water.
  • 40. Which one of these indicates a chemical change has occurred?
A) A tan colored wall is turned blue when it is painted with blue paint.
B) Snow falls from the sky when the temperature drops to 20 degrees Farenheit.
C) The surface of an electric stove gets hot when the stove eye is turned on.
D) The wax in a birthday candle burns.
  • 41. Which one of these indicates a chemical change has occurred?
A) Bubbles come out of the water in a pan when it boils.
B) A large slab of aluminum is pressed into thin foil.
C) An electric heating pad gets warm when it is turned on.
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) Liquid water turns into solid ice when placed in the freezer.
B) A banana will become very runny when crushed in a blender.
C) A white marshmallow turns golden brown after roasting over a fire.
D) Cheese melts on a hot hamburger.
  • 43. Which of these is a physical change?
A) sharpening a pencil
B) frying an egg
C) burning a garbage pile
D) exploding dynamite
  • 44. Which of these is a chemical change?
A) burning gasoline in the car
B) the car window get frosted on a cold winter morning
C) crumpling the metal door of a car during an accident
D) the car gets hot after sitting in the sunny parking lot all day
  • 45. What type of change is digesting food?
A) chemical change
B) physical change
  • 46. What type of change is mixing cookie dough?
A) chemical change
B) physical 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) miscible
B) immiscible
  • 49. What type of mixture is oil and water?
A) miscible
B) immiscible
  • 50. What type of mixture is alcohol and water?
A) immiscible
B) miscible
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