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Unit 4 Review Flashcards | StudBud
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Unit 4 Review
Unit 4 Review
30 terms
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Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
which is a pure substance?
A, B, and E
C and D
A and E only
B only
2
Which ONLY contains elements?
All only contain elements
A, B, and E
E only
A, C, and E
3
Ms. Dunphy's favorite food is
Pizza
Green bean casserole
Pasta
Cheese
4
Choose the picture that represents PARTICLES
They are all particles
A, C and E
A ONLY
B and D
5
Which is a mixture of elements?
D
C
B
A
6
It looks the same throughout
heterogeneous mixture
homogeneous mixture and pure substance both look the same througout
pure substance
homogeneous mixture
7
which of these is CHEMICAL property?
conductivity
length
melting point
None are chemical properties
8
Which is a mixture?
A and D
A, B, C and D
A, C, and D
A and B
9
What is the chemical formula of this compound?
CaP
Ca2P
Ca3P2
Ca2P3
10
Which is a pure substance?
All are pure
A and C only
A only
B only
11
which is a mixture of compounds?
B
none
D
C
12
Which is an example of a chemical change?
Melting
Boiling
Breaking
Corroding
13
Which of these is not a diatomic element?
Iodine (I2)
Oxygen (O2)
Chorine (Cl2)
Carbon (C2)
14
Two of the same atom bonded together is the defintion of
homogeneous mixture
pure substance
diatomic element
compound
15
Choose the picture that represents A COMPOUND
They are all compounds
A ONLY
A, C and E
B and D ONLY
16
Choose the picture that represents AN ELEMENT
A ONLY
C and E ONLY
A, C and E
B and D ONLY
17
Choose the picture that represents a MONATOMIC ELEMENT
B and D
A, C and E
A ONLY
C and E ONLY
18
Which instrument does Ms. Dunphy play?
piano
only guitar
electric guitar
guitar and djembe
19
which of these is a chemical property?
volume
mass
flammability
color
20
This can be separated into the items that make it up using a physical change.
an element
a compound
a mixture
a pure substance
21
Ms. Dunphy's favorite sports team is .....
CHHS Tigers
NC State Wolfpack
Duke Blue Devils
UNC Tarheels
22
Choose the thing that is a compound
Calcium Chloride (CaCl2)
iron (Fe)
iron and sulfur (Fe and S)
oxygen (O2)
23
Ms. Dunphy's favorite pasttime is....
hiking
playing pickleball
going swing dancing
reading about chemistry
24
evaporating is an example of
a physical change
chemical property
a chemical change
physical property
25
What is the chemical formula of this compound?
KS2
K2S1
KS
K2S
26
Which is a characteristic of a chemical change?
Particles before and after are DIFFERENT
All are characteristics of chemical properties
Chemical bonds are broken and new bonds are formed
Usually a new smell or light are created
27
Which is a mixture of elements?
D
C
B
A
28
Choose the picture that represents a DIATOMIC ELEMENT
C and E ONLY
A, C and E
B and D
A ONLY
29
Ms. Dunphy's favorite sandwich shop is....
Jersey Mikes
Harris Teeter subs
Subway
Meritt's Store
30
orange juice with pulp is an example of ...
a homogeneous mixture
a compound
a pure substance
a heterogeneous mixture
