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Practice ~ Matter / Density

Total questions: 58

Worksheet time: 41mins

Name
Class
Date
1.

Matter can be classified in:

a)

Mixtures and Compounds

b)

Substances and Elements

c)

Mixtures and Substances

d)

Elements and compounds

2.

Substances are classified in Elements and (a)  

3.

NH3 is a:

a)

Mixture

b)

Element

c)

Compound

d)

Particle

4.

Water and sugar dissolved is an example of:

a)

Compound

b)

Homogeneous mixture

c)

Substance

d)

Heterogeneous mixture

5.

A chocolate chip cookie is an example of:

a)

Substance

b)

Compound

c)

Homogeneous mixture

d)

Heterogeneous mixture

6.

What mixture is an heterogeneous mixture?

a)

Soluble coffee in water

b)

Sand and water

c)

Perfume

d)

Apple juice

7.

The mixtures where components CAN NOT be distinguished at simple sight:

a)

Homogeneous

b)

Heterogeneous

c)

Homogeneous and heterogeneous

d)

None

8.

Tap water is:

a)

Homogeneous mixture

b)

Heterogeneous mixture

c)

Substance

d)

Compound

9.
This picture represents: 
a)
Element
b)
Compound
c)
Mixture of Elements
d)
Mixture of Compounds
10.
What type of mixture is this?
a)
homogenous mixture
b)
chemical
c)
heterogeneous mixture 
d)
solid mix
11.
A mixture that contains two or more substances blended evenly throughout
a)
heterogeneous mixture
b)
homogeneous mixture
c)
suspension
d)
colloid
12.
A substance that contains only one type of atom is a(n)
a)
compound
b)
element
c)
heterogeneous mixture
d)
homogeneous mixture
13.

An example of...

a)

mixture

b)

element

c)

compound

14.

The particle diagram shown is a:

a)

pure substance

b)

mixture

15.
The picture shown here is what type of mixture?
a)
homogeneous
b)
hetergeneous
c)
pure substance
d)
element
16.
What is matter?
a)
Anything that has mass and occupies space
b)
Anything that has mass
c)
Anything that is made of air
d)
ALL of them 
17.
Jorge prepared a drink and salad for dinner. The chart lists the ingredients for both.
Using the information in the chart, which statement is the BEST description of the drink and salad?
a)
The salad and fruit drink are both mixtures.
b)
The salad and the fruit drink are both solutions.
c)
The fruit drink is a mixture because the ingredients can't be separated.
d)
The salad is a solution because the ingredients can't be separated.
18.

What is the density of water?

a)

34 g/mL

b)

1 g/mL

c)

29 g/mL

d)

6 g/mL

19.

What is the unit for density ?

a)

g/ mL

b)

g

c)

gcm3\frac{g}{cm^3}  

d)

cm4cm^4  

20.
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
21.
Frank has a paper clip. It has a mass of 9g and a volume of 3cm3. What is its density?
a)
3 g/cm3
b)
1/3 g/cm3
c)
27 g/cm3
d)
39 g/cm3
22.

Calculate the density in the following question: A flower pot has a mass of 95 g and a volume of 92 mL.

a)

1.03 g/mL

b)

0.97 g/mL

c)

1.01 g/mL

d)

0.99 g/mL

23.

The amount of water displaced is the same as the volume of the object. What is the VOLUME of the object?

a)
40 mL
b)
65 mL
c)
20 mL
d)
25 mL
24.

The density of a material is 2 g/cm3. The volume is 24 cm3 . What is the mass?

a)
12 grams
b)
48 grams
c)
12 g/cm3
d)
48 g/cm3
25.

There are 4 objects listed with their densities. Which of the following will float on water? (SELECT 2)

a)

Object A:

0.7 g/cm3

b)

Object B:

1.2 g/cm3

c)

Object C:

0.25 g/cm3

d)

Object D:

11.4 g/cm3

26.

If an object has a density of 6 g/mL and you put it into water, will it sink or float?  

a)
sink
b)
float
27.
Helium balloons rise on earth because
a)
helium is less dense than air
b)
helium is more dense than air
c)
helium is cooler than air
d)
helium is warmer than air
28.

How could two objects have different volumes, but still have the same mass?

a)

If they both have the same density

b)

If the larger object has a lower density

c)

If the smaller object has a lower density

d)

If the larger object has a higher density.

29.
True or False:  The density of a specific type of material never changes.  
a)
True
b)
False
30.

Which diagram represents an element?

a)

Diagram (a)

b)

Diagram (b)

c)

Diagram (c)

d)

None of the diagrams represent the parts of an element.

31.

Which of the following represents a compound?

a)

Diagram (a)

b)

Diagram (b)

c)

Diagram (c)

d)

All of the diagrams represent the parts of a compound.

32.

Which diagram represents a homogeneous mixture?

a)

Diagram (a)

b)

Diagram (b)

c)

Diagram (c)

d)

None of the diagrams represent the parts of a mixture.

33.

What type of material is pictured?

a)

Element

b)

Compound

c)

Homogeneous mixture

d)

Heterogeneous mixture

34.

What type of material is pictured?

a)

Element

b)

Compound

c)

Heterogeneous mixture

d)

Homogeneous mixture

35.

What type of matter is shown in this particle diagram?

a)

Element

b)

Compound

c)

Mixture of Elements

d)

Mixture of Compounds

e)

Mixture of Elements and Compounds

36.

What type of matter is shown in this particle diagram?

a)

Element

b)

Compound

c)

Mixture of Elements

d)

Mixture of Compounds

e)

Mixture of Elements and Compounds

37.

This picture of oil and water is a(n)

a)

Element

b)

Compound

c)

Heterogeneous mixture

d)

Homogeneous mixture

38.

The formula C8H10N4O2 represents

a)

Element

b)

Compound

c)

Heterogeneous mixture

d)

Homogeneous mixture

39.
Filtration is a common method of separating an insoluble solid from a liquid. An example of a mixture is sand and water. This process involves the use of a filter paper placed in a filter funnel. The funnel is placed in a beaker and the mixture of water and sand is poured into the funnel. The liquid part drains through the filter paper into the beaker, leaving the solid sand particles trapped on the filter.
Filtration is a common method of separating an insoluble solid from a liquid.
True or False?
a)
True
b)
False
40.

Substances in a mixture can be separated by physical methods.

a)

TRUE

b)

FALSE

41.

Which method is this a picture of?

a)

Filtration

b)

Evaporation

c)

Distillation

d)

Chromatography

42.

What method of separation would work best to separate water and rubber pellets?

a)

filtration

b)

sifting

c)

evaporation

d)

magnetic attraction

43.
How do you separate iron filings from sand?
a)
You can use a filter.
b)

You can boil them.

c)
You can use a magnet.
d)

You can use centrifugation.

44.

Which method separates substances based on them having different boiling points?

a)

Filtration

b)

Centrifugation

c)

Distillation

d)

Chromatography

45.

The process of separating the substances from a liquid mixture by using selective boiling and condensation is called _____.

a)

Decomposition

b)

Filtration

c)

Distillation

d)

Magnetism

46.

This method separates dissolved substances based on differences in how well they dissolve in a solvent.

a)

Filtration

b)

Evaporation

c)

Distillation

d)

Chromatography

47.

If a substance is insoluble in water, it ___________.

a)

dissolves in water

b)

cannot dissolve in water

c)

forms a solution when mixed with water

d)

cannot be separated from water

48.

Drying of wet floor

a)

it undergoes evaporation process

b)

Do not undergo evaporation process

c)

it undergoes melting process

d)

it undergoes freezing process

49.

Salt Making

a)

it undergoes evaporation process

b)

do not undergo evaporation process

c)

it undergoes melting process

d)

it undergoes freezing process

50.

What does fractional distillation specialize at? (not can do but what is it designed to do)

a)

Separating liquids

b)

Separating solutions

c)

Separating solids and liquids

d)

Non of the above

51.

A bottle of rubbing alcohol contains both 2-propanol and water. These liquids can be separated by the process of distillation because the 2-propanol and water

a)

have combined chemically and retain their

different boiling points

b)

have combined chemically and have the

same boiling point

c)

have combined physically and retain their

different boiling points

d)

have combined physically and have the same

boiling point

52.

Equal amounts of ethanol and water are mixed at room temperature and at 101.3 kPa. Which process is used to separate ethanol from the mixture?

a)

distillation

b)

reduction

c)

filtration

d)

ionization

53.

Differences in which property allow the separation of a sample of sand and seawater by filtration?

a)

concentration of ions

b)

volume of sample

c)

mass of sample

d)

particle size

54.

Name the separation technique shown in the diagram.

a)

evaporation

b)

distillation

c)

filtration

55.

Look at the apparatus setup. It CANNOT be used to separate which of the following mixtures?

a)

Marble chips from oil

b)

Alcohol and water

c)

Chalk from sugar solution

d)

Sand and sea water

56.

The separation technique that involves heating a solution until the liquid changes into a gaseous state, leaving behind a solid is known as

a)

decanting

b)

evaporation

c)

loading

d)

chromatography

57.
Which of the following pairs of substances may best be separated through distillation
a)
 sand and soil
b)
water and soil
c)
salt and sand
d)
 water and alcohol
58.

The characteristics of a substance depends on its size.

a)

True

b)

False

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