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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) a heterogeneous mixture.
C) an element.
D) a homogeneous mixture.
aoxygen
  • 3. Oxygen is
A) a homogeneous mixture.
B) a heterogeneous mixture.
C) an element.
D) a compound.
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) an element.
B) a compound.
C) a heterogeneous mixture.
D) a homogeneous mixture.
arion
  • 6. Iron is
A) a homogeneous mixture.
B) an element.
C) a heterogeneous mixture.
D) a compound.
asod ben
  • 7. Sodium benzoate is
A) a heterogeneous mixture.
B) a homogeneous mixture.
C) a compound.
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) 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) an element.
D) a heterogeneous mixture.
acad
  • 11. Cadmium is
A) an element.
B) a compound.
C) a heterogeneous.
D) a homogeneous mixture.
aneon
  • 12. Neon is
A) an element.
B) a compound.
C) a homogeneous mixture.
D) a heterogeneous mixture.
aair
  • 13. Air is
A) an element.
B) a homogeneous mixture.
C) a compound.
D) a heterogeneous mixture.
awater
  • 14. Dihydrogen monoxide is
A) a compound.
B) an element.
abronze
  • 15. Bronze is
A) a homogeneous mixture.
B) an element.
C) a compound.
D) a heterogeneous mixture.
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) using a sieve is the best method for separating the parts
D) filtration is the best method for separating the parts
adist
  • 17. Water and alcohol
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
achrom
  • 18. Colors that make up black ink
A) chromatography
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
acoff
  • 19. Coffee grounds and water
A) filtration 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.
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) filtration is the best method for separating the parts
D) pick out the parts
arocks
  • 21. Oil and heavy rocks
A) chromatography
B) distillation 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
asaltev
  • 22. Salt and water
A) decanting 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) distillation is the best method for separating the parts.
agrap
  • 23. Small pieces of dirt from large grapes
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) 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 chemical property.
B) is a physical 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 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 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) The red T-shirt fades to pink when washed in hot water.
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) Snow falls from the sky when the temperature drops to 20 degrees Farenheit.
B) A tan colored wall is turned blue when it is painted with blue paint.
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) A large slab of aluminum is pressed into thin foil.
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) 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) burning a garbage pile
B) frying an egg
C) sharpening a pencil
D) exploding dynamite
  • 44. Which of these is a chemical change?
A) the car window get frosted on a cold winter morning
B) crumpling the metal door of a car during an accident
C) the car gets hot after sitting in the sunny parking lot all day
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) 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
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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