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Chemistry > Physical and Chemical Changes > Flashcards

Physical and Chemical Changes Flashcards

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1
Q

separating crude oil into many different substances

A

distillation

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2
Q

refining gemstones

A

crystallization

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3
Q

separating individual pigments

A

chromatography

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4
Q

cleaning the human blood of toxins

A

filtration

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5
Q

separating whole blood into various plasma

A

centrifugation

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6
Q

epoxy glue

A

ex

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7
Q

photosynthesis

A

en

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8
Q

iron rusting

A

ex

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9
Q

concrete and cement setting

A

ex

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10
Q

cooking an egg

A

en

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11
Q

draino

A

ex

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12
Q

sunburn

A

en

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13
Q

sublimation of dry ice

A

en

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14
Q

melting wax

A

p

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15
Q

souring milk

A

c

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16
Q

evaporating alcohol

A

p

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17
Q

corroding iron

A

c

18
Q

freezer burn on pork chops

A

p

19
Q

maple leaves changing colors

A

c

20
Q

fermenting grapes

A

c

21
Q

sugar dissolved in water

A

p

22
Q

indigo dye fading

A

c

23
Q

iodine crystals

A

p

24
Q

physical properties

A

density, boiling point, color

25
Q

chemical properties

A

flammability, toxicity, pH

26
Q

can form vapors?

A

household ammonia, E cigarettes, dry ice, water, moth balls, gasoline

27
Q

highly flammable material

A

chemical change

28
Q

melting wax or alcohol evaporating

A

physical change

29
Q

one substance dissolves while the other remains insoluble

A

solubility

30
Q

solid material adhering to the filter paper

A

residue

31
Q

dissolved liquid passing through funnel

A

filtrate

32
Q

distillation

A

boiling point

33
Q

centrifugation

A

density

34
Q

chromatography

A

adsorption

35
Q

filtration

A

solubility

36
Q

which process permit each substance to separate in correct sequence

A

filtration, crystallization

37
Q

where is the final location of the sugar

A

sugar crystals in the evaporating dish

38
Q

where is the final location of the sand

A

adheres as a residue to the filter pressure

39
Q

what materials form a residue during filtration

A

sand

40
Q

what materials appear in the filtrate

A

sugar that is dissolved in water

41
Q

endothermic reaction

A

photosynthesis, sunburn

42
Q

exothermic

A

hand warmers, concrete setting

Chemistry (10 decks)

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