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Mix & Flow Exam Review

Total questions: 63

Worksheet time: 16hrs 45mins

Name
Class
Date
1.

A homogeneous mixture is the same thing as...

a)

a solution

b)

a heterogeneous mixture

c)

a compound

d)

an element

2.

A type of mixture that forms when one substance dissolves in another is known as a

a)

heterogeneous mixture

b)

solution

c)

solute

d)

solvent

3.
What does it mean to dilute a solution?
a)
lower the concentration of solute per solvent
b)
increase the concentration of solute per solvent
4.
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
5.

Which substance is least soluble at 0 ºC?

a)

KI

b)

KNO3

c)

KClO3

d)

Ce2(SO4)3

6.

How many grams are soluble in 100 g of water at 100 ºC?

a)

300 grams

b)

250 grams

c)

100 grams

d)

50 grams

7.

Which solute is most likely a gas?

a)

NH3

b)

NaNO3

c)

KCl

d)

NaCl

8.

When 40 grams of NaCl is dissolved in 100 grams of water at 90 ºC, the solution can be correctly described as:

a)

supersaturated

b)

saturated

c)

unsaturated

9.
Which solute does not increase in solubility as temperature rises?
a)
NH3
b)
NaNO3
c)
KNO3
d)
NaCl
10.
You can make a solution more concentrated by adding __________.
a)
solute
b)
solvent
c)
water
11.
Solution where more solute can still be dissolved at the given temperature. 
a)
Saturated
b)
Unsaturated
c)
Supersaturated
d)
Homogeneous solution
12.
A solution of potassium chlorate, KClO3, has 20 grams of the salt dissolved in 100 grams of water at 70 ºC. Approximately how many more grams of the salt can be added to the solution before reaching the saturation point?
a)
10 grams
b)
30 grams
c)
80 grams
d)
60 grams 
13.

Identify how many grams of KNO3 is required to make a saturated solution at 40'C.

a)

50 g

b)

45 g

c)

55 g

d)

33 g

14.
If I dissolve sugar in water, what is the solute?
a)
Water
b)
Hydrogen
c)
Sugar
d)
Carbon
15.
What will allow more solute to be dissolved in a solvent.
a)
adding more solute
b)
stiring
c)
cooling solution
d)
heat
16.
Graph that shows the amount of solute that can be dissolved in 100 g of water at a certain temperature.
a)
Solubility curve
b)
Saturation curve
c)
Concentration curve
d)
Molarity curve
17.
Solutions are composed of __________ .
a)
salts and solutes
b)
solvents and salts
c)
solutes and alloys
d)
solutes and solvents
18.
If I dissolve sugar in water, what is the solute?
a)
Water
b)
Hydrogen
c)
Sugar
d)
Carbon
19.

If I dissolve carbon dioxide in water, what is the solvent?

a)

Carbon Dioxide

b)

There is no solvent

c)

Oxygen

d)

Water

20.

If I dissolve salt in water, what is the solvent?

a)

salt

b)

water

c)

salt & water

d)

none of the above

21.

If I dissolve sugar in water, what is the solution?

a)

water

b)

sugar

c)

sugary water

d)

none of the above

22.

Define the term soluble.

a)

Can dissolve in water

b)

Cannot dissolve in water

c)

Partially dissolves in water

23.

Define the term insoluble.

a)

Can dissolve in water.

b)

Cannot dissolve in water.

c)

Partially dissolves in water.

24.

Is water the only solvent that can dissolve solutes?

a)

Yes

b)

No

25.
In the above picture, a powder is about to be poured into the liquid. Which of the following should be done to make this powder dissolve faster?

a)
stir the powder in the liquid
b)
freeze the mixture
c)
add more powder to the liquid
d)
store the mixture in a dark place
26.

You can make a solute dissolve more quickly in a solvent by

a)

adding more solute.

b)

adding ice.

c)

heating the solvent.

d)

removing some solvent.

27.

Which of the following would NOT increase the rate at which a sugar cube dissolves?

a)

Reducing the amount of solvent

b)

Crushing the sugar cube

c)

Stirring the solution

d)

Heating the solvent

28.

What is viscosity?

a)

Viscosity is a measure of a fluid's ability to boil.

b)

Viscosity is a measure of a fluid's colour intensity.

c)
Viscosity is a measure of a fluid's electrical conductivity.
d)
Viscosity is a measure of a fluid's ability to evaporate quickly.
e)

Viscosity is a measure of a fluid's resistance to flow.

29.

The more viscous a fluid is, the slower it will flow.

a)

True

b)

False

30.

Low viscosity can be described as...

a)

Liquids that flow quickly

b)

Liquids that flow slowly

31.

High viscosity can be described as...

a)

a liquid that flows slowly

b)

a liquid that flows quickly

32.

What are factors that make one fluid flow faster than another?

a)

particle size and shape

b)

attraction of particles

c)

temperature

d)

freezing rate

e)

particle colour and texture

33.

Fluids made of ​ (a)   particles have a ​ (b)   viscosity, so they can easily move past each other.

Choose from the below words
small
lower
big
higher
34.

Particles of the same substance that are attracted to one another is called:

a)
atoms
b)

adhesion

c)

cohesion

d)

adhesive

35.

The ​ (a)   of a liquid will ​ (b)   when its temperature ​ (c)   .

Choose from the below words
viscosity
decrease
increases
density
buoyancy
increase
decreases
36.

Place the following in order, from the one with the lowest viscosity to the one with the highest viscosity:

a)

Rubbing alcohol

b)

Olive oil

c)

Shampoo

d)

Molasses

e)

Mayonnaise

1)
2)
3)
4)
5)
37.

Peanut butter is an example of a...

a)

High viscosity liquid

b)

Low viscosity liquid

c)

Isnt a liquid at all! Don't be silly.

38.

Water is an example of a...

a)

Low viscosity liquid

b)

High viscosity liquid

39.

Which viscosity can be described as "thick"?

a)

Low viscosity

b)

High viscosity

40.

Which viscosity can be described as "thin"?

a)

Low viscosity

b)

High viscosity

41.

do packed particles make an object more dense or less dense?

a)

less dense

b)

more dense

c)

all of the above

d)

half and half

42.

which is the least dense?

a)

gas

b)

water

c)

ketchup

d)

lamp oil

43.

which of these has the heaviest density?

a)

water

b)

helium

c)

ketchup

d)

cookie

44.

What two types of measurements make up DENSITY?

a)

Mass and Volume

b)

Temperature and Mass

c)

Grams and Centimeters

d)

Volume and Weight

45.

Give the units for volume

a)

cm

b)

kg

c)

cm3

d)

cm2

46.

State the units for mass

a)

cm

b)

ml

c)

kg

d)

s

47.

The density of a material is the SAME no matter what the size or shape of the material

a)

True

b)

False

48.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
49.

What is used to find the volume of an irregular shaped object?

a)

Graduated cylinder

b)

Scale

c)

Test tube

d)

Oil

50.

Which state of matter has a definite volume but no definite shape?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

51.

A cube measures 3.0 cm on each side
(hint: V = L X W X H)
and has a mass of 25 g.

Water has a density of 1g/cm3

Will the cube float or sink?

a)

Float

b)

Sink

52.
An irregularly shaped piece of gold was lowered into a graduated cylinder holding a volume of water equal to 17 ml. The height of the water rose to 20 ml. If the mass of the gold was 27 g, what was its density?
a)
9 g/mL
b)
10.5 g/mL
c)
6.5 g/mL
d)
8 g/mL
53.
How much water has been displaced in the image shown?
a)
40 mL
b)
65 mL
c)
20 mL
d)
25 mL
54.
What is the volume of Object X?
a)

10.0 ml

b)

15.0 ml

c)

20.0 ml

d)

25.0 ml

55.
What is this tool to get volume?
a)
triple beam balance
b)
ruler
c)
thermometer
d)
graduate cylinder
56.
What units are used to measure Density?
a)
cm3/g
b)
g
c)
g/cm3
d)
cm3
57.
Frank has an eraser. It has a mass of 4g, and a volume of 2cm3. What is its density?
a)
8 g/cm3
b)
2 g/cm3
c)
1/2 g/cm3
d)
24 g/cm3
58.
Look at this image.  Which object has the LOWEST density in water? How? 
a)
The Ping Pong Ball because it floats to the top 
b)
The bolt because it has sunk to the bottom
c)
The soda cap because it is not just full of air like the Ping Pong ball
59.

The amount of matter in an object is ____.

a)

mass

b)

volume

c)

density

d)

buoyancy

60.

How much space an object take up is its _______________.

a)

volume

b)

mass

c)

density

d)

buoyancy

61.

This is what happens to an object when the buoyant force is stronger than the gravitational force.

​ (a)  

Choose from the below words
It sinks
It floats
62.

How do you get a chunk of dense metal to float instead of sink

a)

Nothing, you cannot change the shape

b)

add a less dense metal to the original metal

c)

Increase the volume of the metal by flattening its shape

d)

compress the metal

63.

The upward force exerted by a fluid is called the...

a)

buoyant force

b)

density force

c)

fluidity force

d)

normal force

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