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Chemistry: Chapter 1.1 and 2 Review Flashcards | StudBud
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Chemistry: Chapter 1.1 and 2 Review
Chemistry: Chapter 1.1 and 2 Review
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branches of chemistry, classification of matter, properties, and changes
Flashcards
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Questions
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Answers
1
Air is classified as a(n):
compound
mixture
pure substance
element
2
Classify the following diagram as an element, compound, or mixture:
mixture
compound
element
3
A mixture of metals, such as steel, is called a(n):
alloy
precipitate
pure substance
filtrate
4
Which action involves a chemical change?
ripping paper
adding sugar to tea
letting milk turn sour
making ice cubes
5
Pure substances can be further classified as these two things:
elements or compounds
homogeneous or heterogeneous
atoms or elements
solutions or suspensions
6
What best describes the type of matter shown in the diagram?
a mixture of elements
a mixture of elements and compounds
a mixture of compounds
a compound
7
Burning wood is a:
physical change
chemical change
8
Salt is classified as a(n):
compound
homogeneous mixture
element
heterogeneous mixture
9
Manufacturing of nylon, which contains carbon, would fall under this branch of chemistry:
inorganic chemistry
analytical chemistry
biochemistry
organic chemistry
10
A process that separates materials based on the size and solubility of its particles is:
distillation
chromatography
filtration
magnetism
11
Classify the following diagram as an element, compound, or mixture:
element
compound
mixture
12
Which one of the following is a chemical property?
density
melting point
malleability
flammability
13
Water has a boiling point of 100 degrees Celsius. This is a:
physical change
chemical property
physical property
chemical change
14
Which one of the following is NOT a sign of a chemical change?
formation of a precipitate
production of a gas
change in state
unusual color change
15
Which of the following is made up of only 1 type of atom?
compound
homogeneous mixture
solution
element
16
Sugar is classified as a:
pure substance
mixture
17
T/F: Pure substances have a definite composition.
FALSE
TRUE
18
The best way to remove salt from salt water is through:
centrifuge
filtration
decanting
distillation
19
The best way to separate iron from sand is:
by using a magnet
by filtering it
by distilling it
by putting it in a centriuge
20
All physical changes are reversible.
TRUE
FALSE
21
Properties of a(n) ____________ can vary.
element
mixture
compound
pure substance
22
Chocolate Chip Cookie Dough ice cream is classified as a(n):
compound
homogeneous mixture
element
heterogeneous mixture
23
A process that separates a mixture of liquids based on differences in boiling points is:
distillation
chromatography
filtration
centrifuge
24
Which of the following diagrams illustrates an element?
X
Y
Z
none of the above
25
Branch of chemistry associated with determining the energy transfer when water boils:
organic chemistry
analytical chemistry
inorganic chemistry
physical chemistry
26
The study of the chemistry of living organisms:
organic chemistry
biochemistry
physical chemistry
analytical chemistry
27
Boiling water is a:
physical change
chemical change
28
Melting butter is a:
chemical change
physical change
29
Branch of chemistry which would determine the amount of nitrogen in a sample of air:
analytical chemistry
biochemistry
organic chemistry
inorganic chemistry
30
Aluminum is classified as a(n):
heterogeneous mixture
element
compound
homogeneous mixture
31
Which of the following is a physical blend of 2 or more substances?
mixture
compound
element
atom
32
Which of the following is an extensive property?
color
mass
boiling point
texture
33
Does this picture show a physical or chemical change?
chemical change
physical change
34
Which of the following correctly describes how compounds can be separated?
compounds can be physically separated
compounds cannot be separated by any means
compounds can be separated through a chemical change
35
A solid that forms when 2 liquids mix together is called a:
precipitate
distillate
element
filtrate
36
Melting point is what type of property?
extensive and chemical
extensive and physical
intensive and chemical
intensive and physical
37
A homogeneous mixture is best described as:
having only 1 substance in it
being unevenly mixed
being evenly mixed; looking the same throughout
always containing the same ingredients
38
Matter is defined as anything that has:
mass and volume
elements and mixtures
density and volume
mass and velocity
39
A property that does not depend upon the amount of matter is an:
extensive property
intensive property
40
Does this picture show a physical or chemical change?
chemical
physical
41
Lemonade is classified as a(n):
element
homogeneous mixture
compound
heterogeneous mixture
42
Which one of the following is a heterogeneous mixture?
pizza
salt water
Kool-Aid
oxygen
43
An apple turning brown is a:
physical change
chemical change
44
Which of the following correctly describes how mixtures can be separated:
mixtures cannot be separated by any means
mixtures can be physically separated
mixtures can be separated but only by a chemical change
45
Which state of matter has a definite volume but indefinite shape?
liquid
gas
none of them
solid
