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Physical Properties and Solubility

Total questions: 37

Worksheet time: 30mins

Name
Class
Date
1.

Which object has the highest density in this picture?

a)

A

b)

B

c)

C

2.

Which object has the lowest density in this picture?

a)

A

b)

B

c)

C

3.

What is the density of an object if it has a mass of 6g and a volume of 3cm3? (Hint: Density = mass/volume)

a)

6 g/cm3

b)

3 g/cm3

c)

2 g/cm3

d)

1/3 g/cm3

4.

You calculated the density of an unknown substance to be 7.8g/cm3. According to the chart, which of the substances doe you most likely have?

a)

Zinc

b)

Copper

c)

Tin

d)

Iron

5.

You calculated the density of an unknown substance to be 5.7g/cm3. According to the chart, which of the substances do you most likely have?

a)

Aluminum

b)

Iron

c)

Tin

d)

Zinc

6.

Which substance is the most dense in this picture?

a)

Vegetable Oil

b)

Dish Soap

c)

Honey

d)

Corn Syrup

7.

Which of the following is the correct definition of density?

a)

The amount of stuff in an object

b)

A measure of the force of gravity on an object

c)

The amount of space an object takes up

d)

The amount of matter (mass) packed into a space (object)

8.

Which substance has the highest density?

a)

Oil

b)

Water

c)

Syrup

9.

Which substance has the lowest density?

a)

Plastic Block

b)

Water

c)

Grape

10.

Which substance has the lowest density?

a)

Oil

b)

Water

c)

Syrup

11.

Compared to the Oil, does the plastic block have a higher or lower density?

a)

higher

b)

lower

12.

Compared to the water, does the grape have a higher or lower density?

a)

higher

b)

lower

13.

Rocks sink because they are

a)

the same density as the water

b)

less dense than the water

c)

more dense than the water

d)

because they're round

14.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1, 
d)
4, 3, 1, 2
15.

Students measured & recored the  density of 4 samples. Using the density column & the data table shown, which of the samples will float on top?

a)

Sample A

b)

Sample B

c)

Sample C

d)

Sample D

16.
A description of objects that can be measured and observed.
a)
gas
b)
mustangs
c)
physical properties
d)
melting point
17.

The ability to shine is known as----

a)

Luster

b)

Brightness

c)

Flammability

d)

Combustion

18.

Solubility, the ability to dissolve, is a --- property.

a)

Chemical

b)

Physical

19.

Malleability, the ability to be flattened into thin sheets, is a ---property.

a)

Physical

b)

Chemical

20.

Color change like in a drop of food coloring in water, is a --- change.

a)

Physical

b)

Chemical

21.
What does brittle mean?
a)
Breaks into pieces
b)
can be hammered into thin sheets
c)
No shine
d)
reflects light shiny 
22.

The ability to conduct electric current is referred to as...

a)

density

b)

solubility

c)

malleability

d)

electrical conductivity

23.

A characteristic that can be observed or measured such as color, state, or hardness is referred to as a...

a)

Physical property

b)

Chemical property

c)

Physical change

d)

Chemical change

24.

If you poured three liquids (that do not mix completely) into a cup, how could you tell which one is the densest liquid?

a)

The liquid that is floating on top is the densest liquid.

b)

The liquid that settles to the bottom is the densest liquid.

c)

The liquid with the deep red color is the densest liquid.

d)

There is no way to tell which liquid is densest from the description.

25.

Which of the following is NOT a mixture?

a)

milk

b)

lemonade

c)

vegetable salad

d)

carbon

26.

Which method can you use to separate sand and iron filings?

a)

Distillation

b)

Magnetism

c)

Filtration

d)

Evaporation

27.

Is this a mixture?

a)

No

b)

Yes

28.

Is this a mixture

a)

Yes

b)

No

29.
Which of the following is a method of separating solutions?
a)
hand separation
b)
filtering
c)
decanting
d)
evaporation 
30.

Based on the solubility curve, how many grams of sugar will dissolve in a 100 mL of water at 20°C?

a)

100 g

b)

150 g

c)

200 g

d)

250 g

31.
What conclusion can be made using this solubility curve?
a)
Decreasing temperatures always increases solubility 
b)
Increasing temperatures always increases solubility
c)
Increasing temperatures usually increases solubility
d)
Temperature has no affect on solubility
32.

This is an example of a

a)

Solution

b)

Mixture

33.

Which substance is MOST soluble at 0 ºC?

a)

KI

b)

NaNO3

c)

NaCl

d)

Ce2(SO4)3

34.

How many grams of CaCl2, are soluble in 100 g of water at approximately 17 ºC?

a)

58 grams

b)

70 grams

c)

0 grams

d)

12 grams

35.
How many grams of K2Cr2O7, are soluble in 100 g of water at 95 ºC?
a)
83 grams
b)
75 grams
c)
40 grams
d)
12 grams
36.

25 grams of NaCl are dissolved in 100 mL of water at 60 C. How many more grams need to be dissolved for the solution to be saturated?

a)

13 grams

b)

25 grams

c)

6 grams

d)

38 grams

37.

At approximately what temperature does the solubility of sodium chloride, NaCl, match the solubility of potassium dichromate, K2Cr2O7?

a)

60 ºC

b)

30 ºC

c)

50 ºC

d)

83 ºC

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