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CH 1 Test Review Flashcards | StudBud
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CH 1 Test Review
CH 1 Test Review
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Scientific Method/Organization of Matter/Chemical & Physical Changes & Properties
Flashcards
30 cards
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Practice quiz
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Host live
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Questions
30
Answers
1
How many Alkali metals are there
20
54
6
16
2
_______ can be separated by physical means.
Pure substances
An element
A mixture
A compound
3
Which state of matter has indefinite volume and indefinite shape?
liquid
gas
none of the above
solid
4
Burning Toast
Chemical Change
Physical Change
5
Which of the following is an example of an element?
A and B
C
A
A, B, and C
6
The rows on the periodic table.
periods
columns
alleys
7
Table salt is an example of?
A heterogeneous mixture
An element
A homogenous mixture
A compound
8
Which classification(s) of matter is(are) pure substances?
Compounds
Elements and compounds
Elements
Elements and mixtures
9
Granite rock is an example of?
A homogenous mixture
An element
A heterogeneous mixture
A compound
10
Which is not evidence of a chemical change?
production of light
production of gas
slicing something in half
change of color
11
What is the difference between an element and a compound?
Only elements are pure substances.
Compounds are made of more than one type of atom.
Elements are made of more than one atom.
Compounds have uniform composition.
12
___________________ is a physical property.
ability to burn
color
ability to decompose
ability to rust
13
Evidence of a chemical change includes
Change in size
bending or breaking
bubbling, change in color , change in temperature
melting or freezing
14
Any material consisting of only one type of atom is classified as what?
A heterogenous mixture
A homogenous mixture
A compound
An element
15
Which group of elements will have the most similar chemical properties?
Titanium, Iron, Silver, Platinum
Lithium, Boron, Oxygen, Neon
Magnesium, Beryllium, Strontium, Barium
Magnesium, Vanadium, Sulfur, Helium
16
An analytical chemist is most likely to
identify the type of paint chips found at a crime scene
explain why paint is stirred before it is used
investigate the effect of leaded paint on the development of a young child
explain what keeps paint attached to the steel frame of an automobile
17
Most materials we use and encounter daily are ________.
Mixtures
Pure substances
Elements
Compounds
18
Stainless steel is an example of ________?
Element
Heterogenous mixture
Homogeneous mixture
Compound
19
Name this piece of lab equipment.
Graduated cylinder
Glass collecting tube
Glass tubes
Test tubes
20
In a _______ mixture, the material has the same composition throughout.
homogenous
heterogeneous
21
Is dissolving salt into a pot of water a chemical or a physical change?
chemical
physical
neither
impossible to tell
22
Define Organic Chemistry.
the study of most carbon-containing compounds.
any substance that has a definite composion.
the use of math to observe principles.
flowers growing on your house.
23
The groups of a periodic table are the .........................
Vertical columns
Horizontal rows
24
Chemistry is the study of
living things.
the origin & history of the Earth.
composition & properties of matter.
the universe beyond Earth.
25
In a _______ mixture, each substance can be easily distinguished.
homogenous
heterogeneous
26
When different atoms combine in whole number ratios _______ are formed.
heterogeneous mixtures
homogeneous mixtures
compounds
elements
27
The following image is an example of?
A homogenous mixture
A heterogeneous mixture
A compound
An element
28
The following image is an example of?
An element
A heterogeneous mixture
A homogenous mixture
A compound
29
All of the following events in the picture below are examples of
chemcial changes
chemical properties
physical properties
physical changes
30
Which of the following is an example of a compound?
A
B and C
B
C
