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PS CH 2 Test (14-15)
  • 1. Salty water is
A) a heterogeneous mixture.
B) a homogenus mixture.
C) an element.
D) a compound.
  • 2. Sand water is
A) an element.
B) a compound.
C) a homogeneous mixture.
D) a heterogeneous mixture.
  • 3. Oxygen is
A) a heterogeneous mixture.
B) a compound.
C) a homogeneous mixture.
D) an element.
  • 4. Vegetable soup is
A) a heterogeneous mixture.
B) a compound.
C) an element.
D) a homogeneous mixture.
  • 5. Gatorade is
A) an element.
B) a compound.
C) a heterogeneous mixture.
D) a homogeneous mixture.
  • 6. Iron is
A) a compound.
B) a homogeneous mixture.
C) an element.
D) a heterogeneous mixture.
  • 7. Sodium benzoate is
A) an element.
B) a compound.
C) a homogeneous mixture.
D) a heterogeneous mixture.
  • 8. Stainless steel is
A) a heterogeneous mixture.
B) an element.
C) a homogeneous mixture.
D) a compound.
  • 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 heterogeneous mixture.
B) an element.
C) a homogeneous mixture.
D) a compound.
  • 11. Cadmium is
A) a compound.
B) a heterogeneous.
C) a homogeneous mixture.
D) an element.
  • 12. Neon is
A) a homogeneous mixture.
B) a heterogeneous mixture.
C) an element.
D) a compound.
  • 13. Air is
A) an element.
B) a compound.
C) a homogeneous mixture.
D) a heterogeneous mixture.
  • 14. Dihydrogen monoxide is
A) a compound.
B) an element.
  • 15. Bronze is
A) an element.
B) a compound.
C) a heterogeneous mixture.
D) a homogeneous mixture.
  • 16. Water that is cloudy with fine silt
A) distillation is the best method for separating the parts.
B) filtration 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) 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
  • 18. Colors that make up black ink
A) chromatography
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
  • 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) decanting is the best method for separating the parts
D) using a sieve is the best method for separating the parts
  • 20. Cat poo from the nasty litter box
A) filtration is the best method for separating the parts
B) distillation is the best method for separating the parts.
C) pick out the parts
D) decanting is the best method for separating the parts
  • 21. Oil and heavy rocks
A) distillation is the best method for separating the parts.
B) chromatography
C) decanting is the best method for separating the parts
D) evaporation is the best method for separating the parts
  • 22. Salt and water
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) 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 chemical property.
B) is a physical property.
  • 26. Mass
A) is a chemical property.
B) is a physical 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 physical property.
B) is a chemical property.
  • 30. Weight
A) is a physical property.
B) is a chemical property.
  • 31. Conductivity
A) is a chemical property.
B) is a physical property.
  • 32. Malleability
A) is a chemical property.
B) is a physical 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 chemical property.
B) is a physical 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) The red T-shirt fades to pink when washed in hot water.
B) An empty coke can crumbles when it is stepped upon.
C) Sand sinks to the bottom of a glass of 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) A large slab of aluminum is pressed into thin foil.
B) A white salty substance forms on the bottom of a coke can that has been left in a bucket of water.
C) Bubbles come out of the water in a pan when it boils.
D) An electric heating pad gets warm when it is turned on.
  • 42. Which one of these indicates a chemical change has occurred?
A) Cheese melts on a hot hamburger.
B) A banana will become very runny when crushed in a blender.
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) frying an egg
B) burning a garbage pile
C) exploding dynamite
D) sharpening a pencil
  • 44. Which of these is a chemical change?
A) crumpling the metal door of a car during an accident
B) burning gasoline in the car
C) the car gets hot after sitting in the sunny parking lot all day
D) the car window get frosted on a cold winter morning
  • 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) miscible
B) immiscible
  • 50. What type of mixture is alcohol and water?
A) immiscible
B) miscible
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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