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Unit 1 Review
Unit 1 Review
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#chemistry #msds #elements #compounds
Flashcards
27 cards
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Questions
27
Answers
1
IV? If the temp of water is increased, the amount of sugar that is dissolved will increase.
beakers
water temp
sugar dissolved
water amount
2
Water evaporating
Physical Change
Chemical Change
3
What technique could you use to separate different dyes in a marker?
chromatography
evaporation
distillation
filtration
4
State of matter with a definite shape.
Plasma
Gas
Solid
Liquid
5
Solubility
Chemical Property
Physical Property
6
Gasoline Burning
Chemical Change
Physical Change
7
State of matter with a fixed volume that takes the shape of its container.
Plasma
Solid
Gas
Liquid
8
Reactivity
Physical Property
Chemical Property
9
What technique could you use boiling point to separate 4 different liquids from one another?
evaporation
chromatography
distillation
filtration
10
State of matter with the most amount of particle movement.
Plasma
Solid
Liquid
Gas
11
Which characteristic does a liquid and gas have in common?
indefinite volume
indefinite shape
definite shape
definite volume
12
Which description of precision and accuracy is correct for the target?
low accuracy and high precision
low accuracy and low precision
high accuracy and high precision
high accuracy and low precision
13
What is the approximate volume of the liquid in the graduated cylindar?
20.5 mL
21.5 mL
21 mL
20
14
What are two types of pure substances?
Element, Compound
Compound, Mixture
Element, Mixture
Homogeneous, Heterogeneous
15
Which type of mater can you separate by using physical properties?
pure substances
compounds
elements
mixtures
16
A substance that contains two or more substances could be a compound or a ______.
None of these
Element
Compound
Mixture
17
What would be a control group in the temp experiment in the previous question?
water at room temp
water at boiling temp
all of these could be a control
water at freezing temp
18
Ice melting
Physical Change
Chemical Change
19
Chopping wood
Physical Change
Chemical Change
20
Flammability
Physical Property
Chemical Property
21
Solubility refers to...
the ability of a substance to attract a magnet
the ability of a substance to float on water
the ability of a substance to become a mixture
the ability of a substance to dissolve in water
22
All solutions...
always have the same concentration
are homogenous
have the same solubility curves
have the same amount of solvent and solute
23
Color
Chemical Property
Physical Property
24
Which technique could you use to separate a mixture by particle size and solubility?
evaporation
chromatography
filtration
distillation
25
What tool is used to measure the space taken up by an irregularly shaped object (HINT: volume)?
thermometer
graduated cylindar
balance
ruler
26
What are the metric units for length, mass and time?
meter, pound, second
meter, kilogram, second
liter, gram, second
foot, gram, second
27
Boiling Point
Chemical Property
Physical Property
