WorksheetsElements, Compounds, Mixtures
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
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
2.
NaHCO3 is an example of —
a)
an abbreviation
b)
a compound
c)
a mixture
d)
an element
3.
A substance made of only one type of atom is called —
a)
an element
b)
a mixture
c)
a compound
d)
a salt
4.
What is an example of an element?
a)
Oxygen
b)
Pure water
c)
Air
d)
Table salt
5.
Which is the best example of a pure substance?
a)
pizza
b)
gold
c)
saltwater
d)
air
6.
Two or more physically combined substances form —
a)
a compoud
b)
an acid
c)
an element
d)
a mixture
7.
An example of matter made of only one element is
a)
water
b)
gold bar
c)
light bulb
d)
salad mixture
8.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
9.
What is salad?
a)
element
b)
compound
c)
mixture
10.
Can a mixture be separated?
a)
No
b)
Yes
c)
Only sometimes
100 %
