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PS CH 2 Test (14-15)
Contribució de: Conway
  • 1. Salty water is
A) a compound.
B) a homogenus mixture.
C) a heterogeneous mixture.
D) an element.
  • 2. Sand water is
A) an element.
B) a heterogeneous mixture.
C) a homogeneous mixture.
D) a compound.
  • 3. Oxygen is
A) a heterogeneous mixture.
B) a compound.
C) an element.
D) a homogeneous mixture.
  • 4. Vegetable soup is
A) an element.
B) a compound.
C) a homogeneous mixture.
D) a heterogeneous mixture.
  • 5. Gatorade is
A) a compound.
B) a homogeneous mixture.
C) an element.
D) a heterogeneous mixture.
  • 6. Iron is
A) an element.
B) a compound.
C) a homogeneous mixture.
D) a heterogeneous mixture.
  • 7. Sodium benzoate is
A) an element.
B) a heterogeneous mixture.
C) a homogeneous mixture.
D) a compound.
  • 8. Stainless steel is
A) a homogeneous mixture.
B) a heterogeneous mixture.
C) an element.
D) a compound.
  • 9. A bag of trail mix is
A) a compound.
B) a homogeneous mixture.
C) a heterogeneous mixture.
D) an element.
  • 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) a heterogeneous.
B) an element.
C) a homogeneous mixture.
D) a compound.
  • 12. Neon is
A) an element.
B) a compound.
C) a homogeneous mixture.
D) a heterogeneous mixture.
  • 13. Air is
A) a heterogeneous mixture.
B) an element.
C) a compound.
D) a homogeneous mixture.
  • 14. Dihydrogen monoxide is
A) an element.
B) a compound.
  • 15. Bronze is
A) a compound.
B) a heterogeneous mixture.
C) an element.
D) a homogeneous mixture.
  • 16. Water that is cloudy with fine silt
A) filtration is the best method for separating the parts
B) evaporation 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
  • 17. Water and alcohol
A) distillation is the best method for separating the parts.
B) evaporation 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
  • 18. Colors that make up black ink
A) decanting is the best method for separating the parts
B) chromatography
C) distillation is the best method for separating the parts.
D) using a sieve is the best method for separating the parts
  • 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) filtration is the best method for separating the parts
D) distillation 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) chromatography
B) decanting 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
  • 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.
  • 23. Small pieces of dirt from large grapes
A) chromatography
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.
  • 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 physical property.
B) is a chemical 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) Bubbles are produced when vinegar is mixed with baking soda.
B) Sand sinks to the bottom of a glass of water.
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) A tan colored wall is turned blue when it is painted with blue paint.
C) The wax in a birthday candle burns.
D) Snow falls from the sky when the temperature drops to 20 degrees Farenheit.
  • 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 white marshmallow turns golden brown after roasting over a fire.
C) Cheese melts on a hot hamburger.
D) A banana will become very runny when crushed in a blender.
  • 43. Which of these is a physical change?
A) frying an egg
B) exploding dynamite
C) sharpening a pencil
D) burning a garbage pile
  • 44. Which of these is a chemical change?
A) burning gasoline in the car
B) crumpling the metal door of a car during an accident
C) the car window get frosted on a cold winter morning
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) physical change
B) chemical 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) 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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