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CHEM > Experimental Design > Flashcards

Experimental Design Flashcards

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1
Q

What is used to measure volume of liquid with no d.p?

A

Beaker, measuring cylinder

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2
Q

What is used to measure an accurate fixed volume of up to 1d.p?

A

pipette

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3
Q

What is used to measure volume of liquid accurately up to 2d.p?

A

burette

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4
Q

What instrument is used to measure time?

A

Stopwatch/Clock

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5
Q

What instrument is used to measure mass?

A

electronic balance

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6
Q

what instrument is used to measure temperature?

A

thermometer

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7
Q

what instrument is used to measure volume of gas?

A

graduated gas syringe

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8
Q

Common unit of time?

A

second or minute

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9
Q

Common unit of mass?

A

gram or kilogram

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10
Q

Common unit of temperature?

A

degree celsius

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11
Q

Common unit for vol of gas and vol of liquid?

A

cm3 or dm3

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12
Q

what is the type of mixture for sand + water?

A

insoluble solid-liquid

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13
Q

what is the type of mixture of salt/sugar + water?

A

soluble solid-liquid

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14
Q

what is the type of mixture of petroleum/ ethanol + water/ liquefied air?

A

miscible (liquid-liquid)

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15
Q

what is the type of mixture of urine, blood, dyes?

A

traces of dissolved substances

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16
Q

what process is needed to separate water and sand?

A

filtration

17
Q

what process is needed to separate salt/sugar + water to get salt/sugar?

A

crystallisation

18
Q

what process is needed to separate salt/sugar + water to get water?

A

distillation

19
Q

what process is needed to separate petroleum/ethanol + water/liquefied air to get its individual components?

A

fractional distillation

20
Q

what process is needed to separate urine, blood, dye to get dissolved substances?

A

chromatography

CHEM (9 decks)

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