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Science > Mixtures & Solutions > Flashcards

Mixtures & Solutions Flashcards

Familiarity with science terms.

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1
Q

Define mixture

A

2 or more substances, keep their properties

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2
Q

What is a solution?

A

mixture, molecular size particles, clear, cannot filter

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3
Q

What is a suspension?

A

a mixture with visible particles that you can filter

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4
Q

What is a colloid?

A

a mixture with microscopic particles that is cloudy and cannot filter

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5
Q

Define emulsion?

A

a special type of colloid-a liquid in a liquid, liquids that do not normally mix

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6
Q

What is a solute?

A

a substance being dissolved.

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7
Q

What is a solvent?

A

the substance “doing” the dissolving

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8
Q

define miscible-

A

will mix

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9
Q

define immiscible-

A

will not mix

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10
Q

What is a liquid solution?

A

solvent is liquid

ex. salt water

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11
Q

What is a gaseous solution?

A

solvent is gas

ex.air

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12
Q

What is a solid solution?

A

solvent is solid

ex.bronze

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13
Q

What is coagulation?

A

third chemical causes clumping and separation

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14
Q

Define distillation-

A

when liquid separated from mixture by evaporation & condensation

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15
Q

What is sedimentation?

A

When a substance settles out of a mixture when “standing”

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16
Q

What does dilute mean?

A

having very little solute.

17
Q

What does concentrated mean?

A

having large amount of solute

18
Q

Define saturated-

A

all the available space in solvent is filled with solute

19
Q

Define supersaturated-

A

more solute than solvent will normally hold (must heat)

20
Q

List 5 “key” characteristics of a solution(shorthand form)

A

molecular size particles, transparent & clear, particles will not filter, homogeneous, will not settle out

21
Q

List 5 “key” characteristics of a colloid:

A

microscopic size particles, translucent (cloudy) to opaque, particles will not filter, heterogeneous, will not settle (emulsion requires 3rd substance to prevent settling)

22
Q

List 5 “key” characteristics of a suspension:

A

visible size particles, cloudy to opaque, particles will filter, heterogeneous, will settle out

23
Q

List 5 items which affect the rate of solubility:

A

nature of solute & solvent, pressure, temperature, agitation, size of particles

Science (1 decks)

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