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