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Unit 1 Review: Intro, Measurement, and Matter Flashcards | StudBud
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Unit 1 Review: Intro, Measurement, and Matter
Unit 1 Review: Intro, Measurement, and Matter
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Introduction to Chemistry Measurement in Chemistry Matter and Change
Flashcards
22 cards
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Practice quiz
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Questions
22
Answers
1
Which of the following is NOT a sign of a chemical change?
A color change
A change of phase
Formation of a solid
Gas formation
2
Which of the following liquids is the most dense?
2
3
4
1
3
Chicken Noodle Soup is which of the following?
Element
Heterogeneous Mixture
Compound
Homogeneous Mixture
4
A piece of gold was put in a grad. cylinder with 17 mL water. The water rose to 20 mL. What is the volume of the gold?
37 mL
20 mL
17 mL
3 mL
5
What is the definition of a compound?
A physically combined mixture of two or more substances.
A substance that can't be broken into a simpler substance.
Two or more elements chemically bonded together.
A mixture of pure substances.
6
What is the density of a 10 g rock that has a volume of 5 mL?
2.0 g/mL
5 mL/g
50 g/cm3
0.5 g/mL
7
What discipline in chemistry focuses on the composition of matter?
Inorganic chemistry
Physical chemistry
Organic chemistry
Analytical chemistry
8
A state of matter that has a definite volume, but takes the shape of its container is:
Gas
Solid
None of these
Liquid
9
Does the dart board demonstrate throws that are accurate, precise, neither, or both?
both accurate and precise
accurate
precise
neither accurate nor precise
10
Which of the following is an example of a chemical change?
Burning a log
Boiling water
Melting gold
Cutting the grass
11
Salt (NaCl) is which of the following?
Compound
Element
Homogeneous Mixture
Heterogeneous Mixture
12
A state of matter that has a definite volume and a definite shape is a:
Liquid
Gas
None of these
Solid
13
Which of the following is a homogenous mixture?
Gold
Salt
Kool-Aid
Pizza
14
What volume is occupied by an object with a density of 20 g/cm
3
and a mass of 40 g?
80 cm3
20 cm3
2 cm3
800 cm3
15
Which separation technique uses a difference in boiling point to separate liquids?
chromatography
magnetism
distillation
filtration
16
Silver (Ag) is which of the following?
Heterogeneous Mixture
Element
Homogeneous Mixture
Compound
17
What does the Law of Conservation of Mass state?
Mass increases
Mass decreases
Mass cannot be created or destroyed
18
How much liquid is in the graduated cylinder?
43.0
42.0
43
46
19
What processes are happening here?
melting then boiling
boiling then melting
freezing then melting
melting then freezing
20
H
2
and O
2
react to form H
2
O. ? g of water would form if 14.7 g of H
2
reacts with 34.8 g of O
2
.
20.1
49.5
34.8
50.0
21
A state of matter that has an indefinite volume and takes shape of its container is:
Gas
None of these
Solid
Liquid
22
Which of the following is a physical change?
Charcoal burning
Magnesium reacting with oxygen
Icecream melting
Iron rusting
