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science Flashcards

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1
Q

what does WHMIS stand for?

A

Workplace Hazardous Materials Information System

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2
Q

What is a pure substance

A

a mixture with only one kind of substance

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3
Q

what is a mixture

A

a mixture with many different substances

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4
Q

what’s a mechanical mixture

A

a mixture where you can see the parts that make up that mixture

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5
Q

whats a solution

A

a mixture where you cant see what makes it up

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6
Q

what is a suspension

A

a mixture that will separate over time

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7
Q

what is a colloid

A

a mixture that will not separate on their own/ easily

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8
Q

what is a homogeneous mixture

A

made up of many parts but no individual is visible

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9
Q

heterogeneous mixture

A

made up of many parts that are all visible

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10
Q

what is a solute?

A

the substance that is being dissolved

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11
Q

What is a solvent?

A

the substance that is doing the dissolving

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12
Q

water in known as the…

A

Universal solvent

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13
Q

what is a saturated solution

A

no more solute will dissolve

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14
Q

what is an unsaturated solution

A

more solute can be dissolved

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15
Q

factors affecting SOLUBILITY

A

type of solute, type of solvent, temperature

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16
Q

factors affecting the rate of dissolving

A

temperature, size, stirring

17
Q

What does T-MAS stand for/tams

A

tiny, moving ,attracted, spaces

18
Q

what is solubility

A

the maximum amount of solute that will dissolve

19
Q

how does the t (t-mas) change when a liquid freezes

A

nothing

20
Q

how does the m (t-mas) change when a liquid freezes

A

moves slower

21
Q

how does the a (t-mas) change when a liquid freezes

A

particles move closer together

22
Q

how does the s (t-mas) change when a liquid freezes

A

expands taking up more space(volume)

23
Q

how does viscosity change when heated

A

viscocity is lowerd and becomes thinner

24
Q

what has a HIGHEST viscosity level (tube thing)

A

lamp oil

25
Q

what has the LOWEST viscosity level (tube thing)

A

honey

science (5 decks)

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