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WorksheetsElements, Compounds & Mixtures
Total questions: 13
Worksheet time: 12mins
Name
Class
Date
1.
A mixture that appears to be evenly mixed throughout:
a)
an atom
b)
a compound
c)
a homogeneous mixture
d)
a heterogeneous mixture
2.
A pure substance...
a)
is an element or a compound
b)
is an element or a mixture
c)
is a compound or a mixture
d)
is a mixture
3.
1 A substance made up of two or more chemically combinedelements is —
a)
an element
b)
mixture
c)
compound
d)
solution
4.
A substance that cannot be broken down into any other substance by ordinarychemical means is called —
a)
molecule
b)
mixture
c)
element
d)
compound
5.
Two or more physically combined substances form —
a)
a compoud
b)
an acid
c)
an element
d)
a mixture
6.
NaHCO3 is an example of —
a)
an abbreviation
b)
a compound
c)
a mixture
d)
an element
7.
What is an example of a mixture?
a)
Table salt
b)
Salt water
c)
Oxygen
d)
Air
8.
A substance made of only one type of atom is called —
a)
an element
b)
a mixture
c)
a compound
d)
a salt
9.
Which of these substances is an example of a solution?
a)
milk
b)
sweet tea
c)
mercury
d)
concrete
10.
Which of the following is a way in which elements and compounds are similar?
a)
Elements and compounds are pure substances.
b)
Elements and compounds are both made up of different kinds of atoms.
c)
Elements and compounds can both be broken down by physical means.
d)
Elements and compounds are listed on the periodic table.
11.
Which of the following is an example of a colloid?
a)
Trail mix
b)
Kool-aid
c)
Fog
d)
Oxygen
12.
What is an example of an element?
a)
Oxygen
b)
Pure water
c)
Air
d)
Table salt
13.
Two or more substances in the same place but NOT chemically combined or in a specific ratio is called —
a)
a compound
b)
a pure substance
c)
an element
d)
a mixture
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