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WorksheetsChapter 10
Total questions: 16
Worksheet time: 9mins
Name
Class
Date
1.
Which of the following is NOT a pure substance
a)
Helium
b)
CO Carbon Monoxide
c)
Water H20
d)
Blood
2.
Which of the following is a chemical process and is the ONLY way to separate compounds?
a)
Filtering
b)
A chemical reaction
c)
Boiling
d)
Evaporation
3.
If Mr. Kadoodleblooper made a solution that was 25% water and 80% CO2, what would be the solvent?
a)
CO2
b)
water
c)
Mr.Kadoodleblooper
d)
Your mom
4.
Which of the following is a homogeneous mixture?
a)
Your dad
b)
A pureed pizza
c)
an intact tide pod
d)
Nail polish remover that your cousin drank
5.
How would you DILUTE a solution of bleach and water?
a)
Add more water
b)
Add more bleach
c)
Drink the bleach
d)
Add both more water and bleach
6.
If you wanted to increase the solubility of a GAS into a LIQUID (dissolve more gas in the liquid), what is the second thing you can do?
a)
Decrease pressure
b)
Increase pressure
c)
Stir the gas
d)
Find another person smarter than you
7.
What does it mean if Sucrose is very soluble in water?
a)
Not a lot of sucrose can dissolve in water
b)
Sucrose will react with water
c)
A lot of sucrose can dissolve in water
d)
No sucrose can dissolve in water
8.
How do you know when a solution is saturated?
a)
When it starts to bark and wag its tail
b)
When more solute can dissolve
c)
When no more solute can dissolve
d)
When it starts to rain money
9.
Which of the following is FALSE about mixtures?
a)
Mixture are physically combined
b)
Mixtures can be physically separated
c)
The parts that make up a mixture keep their properties
d)
Mixtures create new substances with new properties
10.
What does heterogeneous mean?
a)
Things are evenly mixed
b)
Things are unevenly mixed
c)
It means we should date other people
d)
It means my cat can't take a joke
11.
What does it mean for something to dissolve?
a)
Mix evenly into a substance to form a solution
b)
Melt your face off
c)
Form a heterogeneous mixture
d)
Cause a reaction
12.
Which of the following would NOT be a way to separate a mixture?
a)
filtration
b)
evaporation
c)
melting
d)
chemical reaction
13.
If something has a high concentration it means that...
a)
there is a small amount of solute in the solution making it weak
b)
there is a large amount of solute in the solution making it strong
14.
Solubility refers to...
a)
the maximum amount of solute that can dissolve in a given amount of solvent
b)
how acidic a solution is
c)
how concentrated a solution is
15.
the unit for volume is
a)
grams
b)
liters or milliliters (L) or (mL)
c)
pounds
d)
kilopascals
16.
Volume is defined as
a)
how much matter is in something
b)
how much space something takes up
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