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WorksheetsCompounds and Mixtures
Total questions: 20
Worksheet time: 15mins
Name
Class
Date
1.
compounds are chemically bounded together
a)
False
b)
true
c)
I don't know?
2.
Can an element be broken down into a simpler substance
a)
yes
b)
No
3.
Which of the following an element?
a)
Carbonic Acid
b)
Copper
c)
Iron and Copper
d)
Water
4.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
5.
Salt water boils and the water completely evaporates, salt (NaCl) is left in the bottom of the beaker. Which of the following is left in the beaker?
a)
Compound
b)
Element
c)
Mixture
d)
None of the Above
6.
A combination of substances that are not chemically combined is called a(n)____________.
a)
mixture
b)
compound
c)
physical
7.
Mixtures are separated through ___________changes.
a)
mixture
b)
compound
c)
physical
8.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
9.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
10.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
11.
In a mixture, substances
a)
keep their properties
b)
have a definite chemical composition
c)
lose their properties
d)
combine chemically
12.
Which of these is not a pure substance.
a)
Gold
b)
NaCl
c)
Hydrogen
d)
Kool aide
13.
What type of mixture?
a)
Homogeneous
b)
Hetrogenous
14.
What type of mixture?
a)
Homegenous
b)
Hetrogeneous
15.
What type of mixture is this?
a)
heterogeneous
b)
homogeneous
16.
What does it mean if a mixture is homogeneous?
a)
you can see the different parts
b)
cannot tell one part from another
c)
chunks of particles
d)
made of elements
17.
Which of the following IS a mixture?
a)
air
b)
hydrogen
c)
water
d)
sugar
18.
What is the only type of mixture that has particles that dissolve and are transparent.
a)
Solutions
b)
Suspensions
c)
Colloids
19.
What is a solvent?
a)
The substance that does the dissolving in a solution.
b)
The substance that is being dissolved in a solution.
c)
The mixing of different substances.
d)
The process in which neutral molecules lose or gain electrons
20.
Muddy water is an example of what type of mixture?
a)
colloid
b)
solution
c)
suspension
d)
homogeneous
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