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PS CH 2 Test (14-15)
asalt water
  • 1. Salty water is
A) a homogenus mixture.
B) a heterogeneous mixture.
C) a compound.
D) an element.
asand water
  • 2. Sand water is
A) a compound.
B) a homogeneous mixture.
C) a heterogeneous mixture.
D) an element.
aoxygen
  • 3. Oxygen is
A) a homogeneous mixture.
B) a compound.
C) an element.
D) a heterogeneous mixture.
aveg soup
  • 4. Vegetable soup is
A) a heterogeneous mixture.
B) a compound.
C) a homogeneous mixture.
D) an element.
agator
  • 5. Gatorade is
A) a homogeneous mixture.
B) a heterogeneous mixture.
C) an element.
D) a compound.
arion
  • 6. Iron is
A) a homogeneous mixture.
B) an element.
C) a compound.
D) a heterogeneous mixture.
asod ben
  • 7. Sodium benzoate is
A) a compound.
B) a homogeneous mixture.
C) a heterogeneous mixture.
D) an element.
astainless
  • 8. Stainless steel is
A) an element.
B) a homogeneous mixture.
C) a compound.
D) a heterogeneous mixture.
atrail mix
  • 9. A bag of trail mix is
A) a compound.
B) a homogeneous mixture.
C) a heterogeneous mixture.
D) an element.
afish
  • 10. An aquarium with a large variety of fish is
A) a homogeneous mixture.
B) a heterogeneous mixture.
C) an element.
D) a compound.
acad
  • 11. Cadmium is
A) a homogeneous mixture.
B) a heterogeneous.
C) a compound.
D) an element.
aneon
  • 12. Neon is
A) a homogeneous mixture.
B) a heterogeneous mixture.
C) an element.
D) a compound.
aair
  • 13. Air is
A) an element.
B) a heterogeneous mixture.
C) a homogeneous mixture.
D) a compound.
awater
  • 14. Dihydrogen monoxide is
A) an element.
B) a compound.
abronze
  • 15. Bronze is
A) a compound.
B) a heterogeneous mixture.
C) a homogeneous mixture.
D) an element.
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) filtration is the best method for separating the parts
D) using a sieve is the best method for separating the parts
adist
  • 17. Water and alcohol
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) evaporation is the best method for separating the parts
achrom
  • 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) using a sieve is the best method for separating the parts
D) chromatography
acoff
  • 19. Coffee grounds and water
A) decanting 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) filtration is the best method for separating the parts
alitter
  • 20. Cat poo from the nasty litter box
A) distillation is the best method for separating the parts.
B) filtration is the best method for separating the parts
C) decanting is the best method for separating the parts
D) pick out the parts
arocks
  • 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
asaltev
  • 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
agrap
  • 23. Small pieces of dirt from large grapes
A) distillation is the best method for separating the parts.
B) using a sieve is the best method for separating the parts
C) chromatography
D) decanting is the best method for separating the parts
aden
  • 24. Density
A) is a physical property.
B) is a chemical property.
aflamm
  • 25. Flammability
A) is a physical property.
B) is a chemical 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 chemical property.
B) is a physical property.
  • 31. Conductivity
A) is a physical property.
B) is a chemical property.
  • 32. Malleability
A) is a chemical property.
B) is a physical 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 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) Bubbles are produced when vinegar is mixed with baking soda.
C) An empty coke can crumbles when it is stepped upon.
D) Sand sinks to the bottom of a glass of water.
  • 40. Which one of these indicates a chemical change has occurred?
A) The wax in a birthday candle burns.
B) A tan colored wall is turned blue when it is painted with blue paint.
C) Snow falls from the sky when the temperature drops to 20 degrees Farenheit.
D) The surface of an electric stove gets hot when the stove eye is turned on.
  • 41. Which one of these indicates a chemical change has occurred?
A) An electric heating pad gets warm when it is turned on.
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) Bubbles come out of the water in a pan when it boils.
  • 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) exploding dynamite
B) burning a garbage pile
C) sharpening a pencil
D) frying an egg
  • 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) physical change
B) chemical 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) immiscible
B) miscible
  • 49. What type of mixture is oil and water?
A) immiscible
B) miscible
  • 50. What type of mixture is alcohol and water?
A) miscible
B) immiscible
Otros exámenes de interés :
Physical and chemical changes quiz cbse/science/class7
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