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Mid term 1- Trimester 3 “solutions”

Total questions: 37

Worksheet time: 40mins

Name
Class
Date
1.
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
2.

Air is an example of:

a)

compound

b)

element

c)

heterogeneous mixture

d)

solution

3.

A homogeneous mixture can be:

a)

an element.

b)

a solution.

c)

a compound.

4.

Kool-Aid Powder, Sugar and Water are all part of a solution. Identify the solvent 

a)

water

b)

powder

c)

sugar

d)

powder and sugar

5.

To make a solute dissolve more quickly in a solvent which would you do?

a)
Put it in cold water and stir it
b)
Put it in warm water and stir it
6.
An electrolyte is...
a)
The rapid, random movement of particles in colloidal dispersion.
b)
A substance that dissolves in water and conducts electric current.
c)
A substance that dissolves in water and does not conduct electric current.
d)
The solution process when water is the solvent.
7.
The concentration of a mixture can be increased in which of the following ways?
a)
Heating the mixture
b)
Adding more water “solvent”
c)
Adding more powder “solute”
d)
Stirring the mixture
8.

A measure of the amount of solute in a given amount of a solution is...

a)

saturated

b)

solubility

c)

concentration

d)

miscible

9.
A saturated solution is one that....
a)
contains the maximum amount of dissolved solute.
b)
contains less solute than a saturated solution.
c)
contains more solute than a saturated solution.
d)
is the amount of a substance required to form a saturated solution.
10.
What does it mean to be "Soluble" ?
a)
Capable of being a solid.
b)
To have soul.
c)
Capable of being dissolved.
d)
To sink.
11.
Cookies and Cream Ice Cream
a)
Mixture
b)
Solution
12.

The mixture shown here is an heterogeneous mixture, so…

a)

Maintains its physical properties when combined

b)

Dissolves after being stirred together

c)

Will evaporate after a certain period of time

d)

Cannot be separated into ingredients

13.
Kool-Aid
a)
Mixture
b)
Solution
14.
Soda
a)
Mixture
b)
Solution
15.

Which of the is NOT soluble in water?

a)

Oil

b)

Salt

c)

Honey

d)

Sugar

16.

Which answer best shows a mixture that is NOT a solution?

a)
b)
c)
d)
17.

A water-based solution ( water being the solvent) is also known as an

a)

Liquid solution

b)

aqueous solution

c)

plot solution

18.
The universal solvent is ______. 
a)
sodium 
b)
acid 
c)
water 
d)
wind 
19.

What is the concentration, in percent by mass, of 0.62 g of solute in 45.0 g of solution?

a)

0.014 %

b)

1.4 %

c)

0.13%

20.

Loose ions that carry charge well (like in Gatorade) are called

a)

Powerade

b)

aqueous solutions

c)

electrolytes

21.

Which solution is more concentrated?

Solution 1:

900 mL of water

100 g of salt

Solution 2:

500 mL of water

90 g of salt

a)

Solution 1

b)

Solution 2

c)

They have the same concentration

d)

I have no idea

22.

Which solution is more diluted?

Solution 1:

1000 mL of water

60g of salt


Solution 2:

500 mL of water

60 g of salt

a)

Not enough information to tell

b)

Solution 1

c)

Solution 2

d)

They are equally diluted

23.

The solute is the substance present in a larger amount.

a)

False

b)

True

24.
What is a solvent
a)
the liquid in which a solute is dissolved to form a solution.
b)
Another word for solution
c)
A thing that make drinks turn colors
d)
Its a metal molecole
25.

Which of the solutions above is the most dilute

a)

A

b)

C

c)

E

d)

They are all the same concentration

26.

The drawings below represent beakers of aqueous solutions. Each one represents dissolved solute particles. Which solution is most concentrated?

a)

A

b)

B

c)

C

d)

D

e)

E

27.

Which substance has a higher percent by mass of Hydrogen 1. C4H8   or    2. C8H181.\ C_4H_{8\ \ \ }or\ \ \ \ 2.\ C_8H_{18}  

a)

1

b)

2

c)

Same

28.
Trail Mix
a)
Mixture 
b)
Solution
29.

If solvent is added to a solution, the concentration of the solution will...

a)

increase

b)

decrease

30.

Which of the following does NOT describe solutions?

a)

Solutions are homogenous mixtures.

b)

Solutions must be of a just one solute and a solvent.

c)

Solutions can exist in any state.

d)

Concentrations of solutions may be expressed in different ways.

31.

What is the percent by mass of Br in CuBr2?

a)

50%

b)

71.6%

c)

28.4%

d)

44.3%

32.

What is the percent by mass of N in (NH4)3PO4?

a)

28%

b)

8%

c)

12%

d)

21%

33.

Alloys are created to improve the working properties and appearance of metals, they are made by cobining two or more elements.

a)

True

b)

False

34.
If a material can easily be drawn into the shape of a wire, it is
a)
Ductile
b)
Magnetic
c)
Malleable
d)
Reactive
35.

What is an alloy

a)

A mixture of metals and gas

b)

A mixture of carbon and steel

c)

A homogenus mixture of metals

d)

mixture of metals and non metals

36.

Which of the following are alloys? (choose 3)

a)

Lead

b)

Bronze

c)

Brass

d)

Aluminium

e)

Stainless Steel

37.

What is this building called?

a)

Statue of Liberty

b)

New York's Pride

c)

Mount Everest

d)

Queen Victoria

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