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PS CH 2 Test (14-15)
Contribució de: Conway
  • 1. Salty water is
A) an element.
B) a heterogeneous mixture.
C) a compound.
D) a homogenus mixture.
  • 2. Sand water is
A) a compound.
B) a heterogeneous mixture.
C) an element.
D) a homogeneous mixture.
  • 3. Oxygen is
A) a homogeneous mixture.
B) an element.
C) a compound.
D) a heterogeneous mixture.
  • 4. Vegetable soup is
A) a homogeneous mixture.
B) a heterogeneous mixture.
C) an element.
D) a compound.
  • 5. Gatorade is
A) a homogeneous mixture.
B) a compound.
C) a heterogeneous mixture.
D) an element.
  • 6. Iron is
A) a homogeneous mixture.
B) an element.
C) a compound.
D) a heterogeneous mixture.
  • 7. Sodium benzoate is
A) an element.
B) a heterogeneous mixture.
C) a compound.
D) a homogeneous mixture.
  • 8. Stainless steel is
A) a heterogeneous mixture.
B) a homogeneous mixture.
C) a compound.
D) an element.
  • 9. A bag of trail mix is
A) a compound.
B) a homogeneous mixture.
C) an element.
D) a heterogeneous mixture.
  • 10. An aquarium with a large variety of fish is
A) a homogeneous mixture.
B) a compound.
C) an element.
D) a heterogeneous mixture.
  • 11. Cadmium is
A) an element.
B) a compound.
C) a heterogeneous.
D) a homogeneous mixture.
  • 12. Neon is
A) a homogeneous mixture.
B) a compound.
C) a heterogeneous mixture.
D) an element.
  • 13. Air is
A) an element.
B) a homogeneous mixture.
C) a compound.
D) a heterogeneous mixture.
  • 14. Dihydrogen monoxide is
A) a compound.
B) an element.
  • 15. Bronze is
A) a heterogeneous mixture.
B) an element.
C) a homogeneous mixture.
D) a compound.
  • 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
  • 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) distillation is the best method for separating the parts.
D) evaporation is the best method for separating the parts
  • 18. Colors that make up black ink
A) distillation is the best method for separating the parts.
B) decanting is the best method for separating the parts
C) chromatography
D) using a sieve is the best method for separating the parts
  • 19. Coffee grounds and water
A) using a sieve is the best method for separating 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
  • 20. Cat poo from the nasty litter box
A) decanting is the best method for separating the parts
B) distillation is the best method for separating the parts.
C) pick out 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) distillation is the best method for separating the parts.
C) evaporation is the best method for separating the parts
D) chromatography
  • 22. Salt and water
A) evaporation 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) using a sieve is the best method for separating the parts
  • 23. Small pieces of dirt from large grapes
A) chromatography
B) distillation is the best method for separating the parts.
C) decanting is the best method for separating the parts
D) using a sieve is the best method for separating the parts
  • 24. Density
A) is a chemical property.
B) is a physical property.
  • 25. Flammability
A) is a physical property.
B) is a chemical property.
  • 26. Mass
A) is a chemical property.
B) is a physical property.
  • 27. Color
A) is a chemical property.
B) is a physical 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 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 physical property.
B) is a chemical 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 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) 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) A tan colored wall is turned blue when it is painted with blue paint.
D) The wax in a birthday candle burns.
  • 41. Which one of these indicates a chemical change has occurred?
A) A white salty substance forms on the bottom of a coke can that has been left in a bucket of water.
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 large slab of aluminum is pressed into thin foil.
  • 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) A white marshmallow turns golden brown after roasting over a fire.
D) Liquid water turns into solid ice when placed in the freezer.
  • 43. Which of these is a physical change?
A) sharpening a pencil
B) frying an egg
C) exploding dynamite
D) burning a garbage pile
  • 44. Which of these is a chemical change?
A) crumpling the metal door of a car during an accident
B) the car gets hot after sitting in the sunny parking lot all day
C) the car window get frosted on a cold winter morning
D) burning gasoline in the car
  • 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) miscible
B) immiscible
  • 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) miscible
B) immiscible
Altres proves d'interés :
Physical and chemical changes quiz cbse/science/class7
Ps ch 8 test
Ps ch 3 vocab s1,3
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