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Elements, Compounds And MIxtures #2
Test Description: Review
Instructions: Answer all questions to get your test result.
1) Water is an example of
A
mixture
B
compound
C
element
D
atom
2) Hydrogen is an example of
A
heterogeneous
B
mixture
C
element
D
homogeneous
3) Air is an example of
A
heterogeneous mixture
B
homogeneous mixture
C
compound
D
atom
4) The atoms of the element nitrogen will look
A
exactly the same every time
B
different in various places on earth
C
like the atoms of oxygen sometimes
D
upside down when in mountain air
5) All matter has
A
can be a solid and liquid
B
a positive charge
C
two or more atoms combined
D
mass and takes up space
6) One element is composed of
A
many compounds
B
two different atoms
C
three of the same molecules
D
one kind of atom
7) The two substances in a compound like H2O
A
change into two new elements
B
combine to make a new substance
C
become a mixture
D
keep their old identities
8) How many atoms are in the compound CO2
A
1
B
3
C
4
D
2
9) Trail Mix is an example of
A
a homogeneous mixture
B
a heterogeneous mixture
C
an element
D
a compound
10) Mixtures are
A
not touching at all
B
combined physically
C
combined into a new substance
D
combined chemically
*select an answer for all questions
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