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Chemistry Chapter 2- Matter Flashcards | StudBud
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Chemistry Chapter 2- Matter
Chemistry Chapter 2- Matter
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Matter and how it deals with chemistry.
Flashcards
45 cards
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Practice quiz
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Questions
45
Answers
1
Blow drying your wet hair.
physical change
chemical change
2
A s'more is a(n)
heterogeneous mixture
homogeneous mixture
element
compound
3
Which of the following is a heterogeneous mixture?
salt water
Kool aid
powdered sulfer and iron
sugar water
4
When a substance changes from solid to liquid the substance has reached its
boiling point
freezing point
melting point
condensation point
5
Fireworks exploding.
chemical change
physical change
6
The smallest unit that still maintains an elements properties is called a(n)
atom
molecule
particle
substance
7
A group of atoms is called a(n)
cluster
group
particle
molecule
8
A triple beam balance reads 200.0 g, 50.0 g, 2.00 g, and 0.4 g. What is the total mass?
25.024 g
252.4 g
250.24g
2500.24 g
9
Sand and sugar is a(n)
compound
element
homogeneous mixture
heterogeneous mixture
10
Two chemicals mixed together and a gas is produced.
chemical change
physical change
11
Characteristic properties are
both physical and chemical properties of a substance
only the physical properties of a substance
only the chemical properties of a substance
are never the same
12
Density is
the amount of space an object takes up
how much an object weights
an object floating or sinking
the state in which an object is
13
Baking bread.
chemical change
physical change
14
NaCl is a(n)
heterogeneous mixture
element
homogeneous mixture
compound
15
Dissolving is a
chemical property
physical property
16
Which of the following is a physical change?
dissolving
reacting with vinegar
rusting
combusting (catching fire)
17
Density is a
physical property
chemical property
18
Flammability is a
chemical property
physical property
19
Chemistry is the study of
the body
matter
motion
life
20
Salt water is a(n)
homogeneous mixture
element
compound
heterogeneous mixture
21
Which can be separated by physical means?
compounds
elements
clusters
mixtures
22
A solid is crushed into a powder.
physical change
chemical change
23
A chemical formula is...
a mixture
adding compounds to each other
a combination of chemical symbols and numbers
a graphic organizer
24
C
6
H
12
O
6
means
6 Carbon, 12 Helium, 6 Oxygen
6 Carbon, 12 Hydrogen, 6 Oxygen
6 Cesium, 12 Helium, 6 Oxygen
6 Cesium, 12 Hydrogen, 6 Oxygen
25
Which of the following would be the most accurate for measuring a liquid?
Test tube
Graduated cylinder
Balance
Dropper
26
A substance that is made of two or more elements is called a(n)
compound
element
compact
mixture
27
Boiling point is a
physical property
chemical property
28
A combination of 2 or more substances that are not chemically combined is a(n)
mess
element
compound
mixture
29
Chocolate syrup dissolving in milk.
chemical change
physical change
30
Which of the follow is an element?
NaCl
CO2
I
H2O
31
Reactivity is a
physical change
chemical change
32
Everything made of matter has
flammability and volume
volume and mass
mass and density
density and reactive properties
33
Reacting with an acid is a
physical change
chemical change
34
H
2
O is a(n)
element
compound
heterogeneous mixture
homogeneous mixture
35
A solution is another word for homogeneous mixture.
False
True
36
Heterogeneous mixtures are uniform throughout.
True
False
37
Compounds cannot be reverse by physical means.
False
True
38
Food coloring dropped in water to give it color.
chemical change
physical change
39
Which of the following is the correct equation for density?
D = v x m
D = v/m
D = m/v
D = m x v
40
Lemonade is a(n)
homogeneous mixture
element
compound
heterogeneous mixture
41
Compounds can chemically be broken into elements.
True
False
42
A chemical change changes the identity of a substance.
False
True
43
Which of the following is a compound?
K
NaCl
O
salt water
44
Toasting a marshmallow.
physical change
chemical change
45
Helium is a(n)
homogeneous mixture
compound
heterogeneous mixture
element
