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