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PS CH 2 Test (14-15)
asalt water
  • 1. Salty water is
A) a heterogeneous mixture.
B) a compound.
C) an element.
D) a homogenus mixture.
asand water
  • 2. Sand water is
A) an element.
B) a compound.
C) a heterogeneous mixture.
D) a homogeneous mixture.
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 compound.
B) a heterogeneous mixture.
C) an element.
D) a homogeneous mixture.
agator
  • 5. Gatorade is
A) a homogeneous mixture.
B) a heterogeneous mixture.
C) a compound.
D) an element.
arion
  • 6. Iron is
A) an element.
B) a homogeneous mixture.
C) a heterogeneous mixture.
D) a compound.
asod ben
  • 7. Sodium benzoate is
A) an element.
B) a heterogeneous mixture.
C) a homogeneous mixture.
D) a compound.
astainless
  • 8. Stainless steel is
A) a heterogeneous mixture.
B) an element.
C) a homogeneous mixture.
D) a compound.
atrail mix
  • 9. A bag of trail mix is
A) a homogeneous mixture.
B) a compound.
C) an element.
D) a heterogeneous mixture.
afish
  • 10. An aquarium with a large variety of fish is
A) a homogeneous mixture.
B) a compound.
C) a heterogeneous mixture.
D) an element.
acad
  • 11. Cadmium is
A) a compound.
B) an element.
C) a homogeneous mixture.
D) a heterogeneous.
aneon
  • 12. Neon is
A) a homogeneous mixture.
B) a compound.
C) a heterogeneous mixture.
D) an element.
aair
  • 13. Air is
A) a homogeneous mixture.
B) a heterogeneous mixture.
C) a compound.
D) an element.
awater
  • 14. Dihydrogen monoxide is
A) a compound.
B) an element.
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) using a sieve is the best method for separating the parts
C) filtration is the best method for separating the parts
D) evaporation is the best method for separating the parts
adist
  • 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) using a sieve is the best method for separating the parts
D) decanting is the best method for separating the parts
achrom
  • 18. Colors that make up black ink
A) chromatography
B) using a sieve is the best method for separating the parts
C) distillation is the best method for separating the parts.
D) decanting is the best method for separating the parts
acoff
  • 19. Coffee grounds and water
A) using a sieve 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) filtration is the best method for separating the parts
alitter
  • 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
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) 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) chromatography
B) using a sieve is the best method for separating the parts
C) distillation is the best method for separating the parts.
D) decanting is the best method for separating the parts
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 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 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 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 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 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) 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) An electric heating pad gets warm when it is turned on.
B) Bubbles come out of the water in a pan when it boils.
C) A white salty substance forms on the bottom of a coke can that has been left in a bucket of water.
D) A large slab of aluminum is pressed into thin foil.
  • 42. Which one of these indicates a chemical change has occurred?
A) Cheese melts on a hot hamburger.
B) Liquid water turns into solid ice when placed in the freezer.
C) A banana will become very runny when crushed in a blender.
D) A white marshmallow turns golden brown after roasting over a fire.
  • 43. Which of these is a physical change?
A) burning a garbage pile
B) sharpening a pencil
C) frying an egg
D) exploding dynamite
  • 44. Which of these is a chemical change?
A) crumpling the metal door of a car during an accident
B) the car window get frosted on a cold winter morning
C) burning gasoline in the car
D) the car gets hot after sitting in the sunny parking lot all day
  • 45. What type of change is digesting food?
A) physical change
B) chemical 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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