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PS CH 2 Test (14-15)
Поширений: Conway
  • 1. Salty water is
A) an element.
B) a heterogeneous mixture.
C) a homogenus mixture.
D) a compound.
  • 2. Sand water is
A) a compound.
B) a heterogeneous mixture.
C) a homogeneous mixture.
D) an element.
  • 3. Oxygen is
A) a homogeneous mixture.
B) an element.
C) a compound.
D) a heterogeneous mixture.
  • 4. Vegetable soup is
A) a compound.
B) an element.
C) a homogeneous mixture.
D) a heterogeneous mixture.
  • 5. Gatorade is
A) a heterogeneous mixture.
B) an element.
C) a homogeneous mixture.
D) a compound.
  • 6. Iron is
A) a compound.
B) a heterogeneous mixture.
C) a homogeneous mixture.
D) an element.
  • 7. Sodium benzoate is
A) a homogeneous mixture.
B) a heterogeneous mixture.
C) an element.
D) a compound.
  • 8. Stainless steel is
A) a compound.
B) a homogeneous mixture.
C) a heterogeneous mixture.
D) an element.
  • 9. A bag of trail mix is
A) an element.
B) a homogeneous mixture.
C) a compound.
D) a heterogeneous mixture.
  • 10. An aquarium with a large variety of fish is
A) a compound.
B) a homogeneous mixture.
C) a heterogeneous mixture.
D) an element.
  • 11. Cadmium is
A) an element.
B) a heterogeneous.
C) a compound.
D) a homogeneous mixture.
  • 12. Neon is
A) a homogeneous mixture.
B) an element.
C) a heterogeneous mixture.
D) a compound.
  • 13. Air is
A) a heterogeneous mixture.
B) a compound.
C) an element.
D) a homogeneous mixture.
  • 14. Dihydrogen monoxide is
A) an element.
B) a compound.
  • 15. Bronze is
A) a homogeneous mixture.
B) a heterogeneous mixture.
C) an element.
D) a compound.
  • 16. Water that is cloudy with fine silt
A) filtration is the best method for separating the parts
B) distillation is the best method for separating the parts.
C) evaporation is the best method for separating the parts
D) using a sieve is the best method for separating the parts
  • 17. Water and alcohol
A) evaporation is the best method for separating the parts
B) using a sieve 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.
  • 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.
  • 19. Coffee grounds and water
A) filtration is the best method for separating the parts
B) distillation is the best method for separating the parts.
C) using a sieve is the best method for separating the parts
D) decanting is the best method for separating the parts
  • 20. Cat poo from the nasty litter box
A) pick out the parts
B) decanting 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
  • 21. Oil and heavy rocks
A) decanting is the best method for separating the parts
B) chromatography
C) evaporation is the best method for separating the parts
D) distillation is the best method for separating the parts.
  • 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) evaporation is the best method for separating the parts
D) decanting is the best method for separating the parts
  • 23. Small pieces of dirt from large grapes
A) decanting is the best method for separating the parts
B) distillation is the best method for separating the parts.
C) chromatography
D) using a sieve is the best method for separating the parts
  • 24. Density
A) is a physical property.
B) is a chemical property.
  • 25. Flammability
A) is a physical property.
B) is a chemical property.
  • 26. Mass
A) is a physical property.
B) is a chemical property.
  • 27. Color
A) is a physical property.
B) is a chemical property.
  • 28. The ability to react with water
A) is a chemical property.
B) is a physical property.
  • 29. The ability to react with oxygen
A) is a chemical property.
B) is a physical property.
  • 30. Weight
A) is a chemical property.
B) is a physical 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 chemical property.
B) is a physical 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 chemical property.
B) is a physical 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) An empty coke can crumbles when it is stepped upon.
B) Sand sinks to the bottom of a glass of water.
C) The red T-shirt fades to pink when washed in hot water.
D) Bubbles are produced when vinegar is mixed with baking soda.
  • 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) Snow falls from the sky when the temperature drops to 20 degrees Farenheit.
C) The wax in a birthday candle burns.
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) Bubbles come out of the water in a pan when it boils.
B) A large slab of aluminum is pressed into thin foil.
C) A white salty substance forms on the bottom of a coke can that has been left in a bucket of water.
D) An electric heating pad gets warm when it is turned on.
  • 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 gets hot after sitting in the sunny parking lot all day
B) burning gasoline in the car
C) crumpling the metal door of a car during an accident
D) the car window get frosted on a cold winter morning
  • 45. What type of change is digesting food?
A) physical change
B) chemical 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) miscible
B) immiscible
  • 50. What type of mixture is alcohol and water?
A) immiscible
B) miscible
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