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PS CH 2 Test (14-15)
asalt water
  • 1. Salty water is
A) a heterogeneous mixture.
B) an element.
C) a compound.
D) a homogenus mixture.
asand water
  • 2. Sand water is
A) a compound.
B) an element.
C) a homogeneous mixture.
D) a heterogeneous mixture.
aoxygen
  • 3. Oxygen is
A) a compound.
B) an element.
C) a heterogeneous mixture.
D) a homogeneous mixture.
aveg soup
  • 4. Vegetable soup is
A) a homogeneous mixture.
B) an element.
C) a heterogeneous mixture.
D) a compound.
agator
  • 5. Gatorade is
A) a homogeneous mixture.
B) a heterogeneous mixture.
C) a compound.
D) an element.
arion
  • 6. Iron is
A) a heterogeneous mixture.
B) an element.
C) a compound.
D) a homogeneous mixture.
asod ben
  • 7. Sodium benzoate is
A) a homogeneous mixture.
B) a heterogeneous mixture.
C) an element.
D) a compound.
astainless
  • 8. Stainless steel is
A) a homogeneous mixture.
B) a heterogeneous mixture.
C) a compound.
D) an element.
atrail mix
  • 9. A bag of trail mix is
A) a heterogeneous mixture.
B) a homogeneous mixture.
C) a compound.
D) an element.
afish
  • 10. An aquarium with a large variety of fish is
A) an element.
B) a heterogeneous mixture.
C) a homogeneous mixture.
D) a compound.
acad
  • 11. Cadmium is
A) a compound.
B) an element.
C) a heterogeneous.
D) a homogeneous mixture.
aneon
  • 12. Neon is
A) a heterogeneous mixture.
B) a compound.
C) an element.
D) a homogeneous mixture.
aair
  • 13. Air is
A) a homogeneous mixture.
B) an element.
C) a compound.
D) a heterogeneous mixture.
awater
  • 14. Dihydrogen monoxide is
A) a compound.
B) an element.
abronze
  • 15. Bronze is
A) an element.
B) a compound.
C) a homogeneous mixture.
D) a heterogeneous mixture.
afilter
  • 16. Water that is cloudy with fine silt
A) distillation is the best method for separating the parts.
B) using a sieve is the best method for separating the parts
C) evaporation is the best method for separating the parts
D) filtration is the best method for separating the parts
adist
  • 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.
achrom
  • 18. Colors that make up black ink
A) decanting is the best method for separating the parts
B) using a sieve is the best method for separating the parts
C) chromatography
D) distillation is the best method for separating the parts.
acoff
  • 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) distillation 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) pick out the parts
B) distillation is the best method for separating the parts.
C) decanting is the best method for separating the parts
D) filtration is the best method for separating the parts
arocks
  • 21. Oil and heavy rocks
A) distillation is the best method for separating the parts.
B) decanting is the best method for separating the parts
C) evaporation is the best method for separating the parts
D) chromatography
asaltev
  • 22. Salt and water
A) distillation is the best method for separating the parts.
B) using a sieve 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
agrap
  • 23. Small pieces of dirt from large grapes
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) chromatography
aden
  • 24. Density
A) is a chemical property.
B) is a physical 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 physical property.
B) is a chemical 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 physical property.
B) is a chemical property.
  • 31. Conductivity
A) is a chemical property.
B) is a physical property.
  • 32. Malleability
A) is a physical property.
B) is a chemical 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 physical property.
B) is a chemical 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) 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) A tan colored wall is turned blue when it is painted with blue paint.
B) Snow falls from the sky when the temperature drops to 20 degrees Farenheit.
C) The wax in a birthday candle burns.
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) A banana will become very runny when crushed in a blender.
B) Liquid water turns into solid ice when placed in the freezer.
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) sharpening a pencil
B) exploding dynamite
C) frying an egg
D) burning a garbage pile
  • 44. Which of these is a chemical change?
A) the car window get frosted on a cold winter morning
B) the car gets hot after sitting in the sunny parking lot all day
C) crumpling the metal door of a car during an accident
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) immiscible
B) miscible
  • 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
Uczniowie wykonujący ten test biorą również :
Physical and chemical changes quiz cbse/science/class7
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