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Matter and Dimensional Analysis Test Review (On level Home Version)

Total questions: 92

Worksheet time: 2hrs 26mins

Name
Class
Date
1.

The SI base unit used to measure the mass of an object is

a)

kelvin

b)

Gram

c)

Meter

d)

Liter

2.

How many moles are represented by 1.5 × 1024 molecules of lead(IV) nitrate, Pb(NO3)4?

a)

1.49 moles

b)

2.49 moles

c)

0.249 moles

d)

2.49 x 1046 moles

3.

Calculate the number of molecules in 4.0 moles of H2O.

a)

0.60 x 1023 molecules

b)

2.4 x 1023 molecules

c)

2.4 x 1024 molecules

d)

2.4 x 10-23 molecules

4.

The prefix, deci- means

a)

10-2

b)

101

c)

103

d)

10-1

5.

The number, 745.0 has _______ significant digits / figures.

a)

5

b)

3

c)

4

d)

none of the listed options

6.

Find the density of a rubber ball that has a volume of 6 cm3 and a mass of 36 g. (Density = mass/volume)

a)

216 gcm3

b)

6 g/cm3

c)

0.16666 cm3/g

d)

6

7.

Convert the following number to scientific notation: 0.00025

a)

25.0 x 10-4

b)

2.5 x 103

c)

2.5 x 10-4

d)

2.5 x 10-3

8.

How many molecules are in 5.78 moles of glucose, C6H12O6 ?

a)

3.48 x 1024

b)

6.02 x 1023

c)

0.032

9.

If Meg a Mole makes a density measurement close to the known measurement, she is

a)

accurate

b)

precise

c)

both accurate and precise

d)

neither accurate nor precise

10.

How many atoms are in 5.0 mol Au?

a)

3.0 x 1024 atoms

b)

8.3 x 10-24 atoms

c)

0.025 atoms

d)

980 atoms

11.

Which is has the smallest volume?

a)

ML

b)

daL

c)

dL

d)

mL

12.

How many nanograms are in 10 kilograms?

a)

10,000

b)

1 x 10-8

c)

1 x 10-11

d)

1 x 1013

13.

How many significant figures does the following number have: 0.0004530

a)

3

b)

4

c)

6

d)

7

14.

Freddy weighs 100 kilograms. How much does he weigh in pounds? (1 lb =453.6 g)

a)

45.4 lbs

b)

45,400 lbs

c)

0.220 lbs

d)

220 lbs

15.

A mixture

a)

can not be separated by physical separation techniques.

b)

is always homogenous

c)

is always heterogenous

d)

is a physical blend substances

16.

Which of the following is an extensive property

a)

color

b)

sublimation point

c)

density

d)

volume

17.

Which of the following is not a homogeneous mixture?

a)

sand water

b)

salt water

c)

air

d)

alloy

18.

Which of the following is exothermic?

a)

melting

b)

sublimation

c)

condensation

d)

evaporation

19.

What is an effective way of separating a mixture of liquids?

a)

filtration

b)

evaporation

c)

paper chromatography

d)

distillation

20.

What are not signs of a chemical change?

a)

change in color

b)

formation of a gas or precipitation

c)

a transfer of energy

d)

a change in phase

21.

You need multiple measurements for precision.

a)

true

b)

false

22.

You need multiple measurements for accuracy.

a)

True

b)

False

23.

Calculate with correct sig figs: ( 800. x 2.413) + 3.45

a)

1930.4

b)

1933.45

c)

1933

d)

1930

24.

The following are examples of Qualitative data except

a)

rough surface

b)

black color

c)

10 m long

d)

friendly personality

25.

_________ are developed when theories go unchanged for hundreds of years

a)

hypothesis

b)

theories

c)

observations

d)

laws

26.

A theory is a hypothesis that has not yet been tested.

a)

True

b)

False

27.

If you do not understand the directions or part of a procedure, ask ______ before proceeding.

a)

your friend

b)

your teacher

c)

your phone

d)

no one

28.

Which variable is observed in an experiment and is plotted on the y-axis of the graph?

a)

dependent variable

b)

independent variable

c)

manipulated variable

d)

control variable

29.

Which measure -tool combination is incorrect ?

a)

Mass - balance

b)

Volume - Buret

c)

Time - stopwatch

d)

Mass - Graduated cylinder

30.

The experimental variable that is changed or manipulated.

a)

Control

b)

Constant

c)

Dependent Variable

d)

Independent Variable

31.
What are the two types of observations? 
a)
Qualitative and Quantitative 
b)
Personal and Experience 
c)
Eyes and Ears 
d)
First and Last 
32.
If a laboratory fire erupts, immediately
a)
notify your teacher
b)
run for the fire extinguisher
c)
throw water on the fire
d)
open a window
33.
What piece of lab equipment is this?
a)
beaker
b)
erlenmeyer flask
c)
graduated cylinder
d)
test tube
34.
In a laboratory, the following should not be worn. 
a)
all of the answers
b)
dangling jewelry
c)
sandals
d)
loose clothing
35.

Changes in the _________ variable causes changes in the _________ variable.

a)

independent; dependent

b)

dependent; independent

36.
a)
The dependent variable is total cost
b)
The dependent variable is weight
c)
The independent variable is total cost
d)
The independent variable is cost of a package
37.
The distance from Earth to the moon is 384,400 km. Express the distance in meters using scientific notation
a)
3.844 x 105
b)
3.844 x 108
c)
3.844 x 102
d)
3.855 x 1011
38.
Calculate 12.34 + 1.234 + 0.1234
a)
13.6974
b)
13.697
c)
13.70
d)
13.7
39.

0.9/2.3

a)

0.391

b)

0.39

c)

0.40

d)

0.4

40.
Multiply (2.45 x 108) x (8.78 x 106) and express in scientific notations.
a)
2.15 x 1015
b)
2.15 x 1014
c)
2.10 x 1014
d)
2.10 x 1015
41.
The chief advantage of the metric system over other systems of measurement is that it ____.
a)
has more units
b)
is in multiples of 10
c)
is in French
d)
is derived from nature itself
42.
What is the quantity 0.0075 meters expressed in centimeters?
a)
0.075 cm
b)
0.75 cm
c)
7.5 cm
d)
70.5 cm
43.
How many   Meters are in a kilometer 
a)
1 meter
b)
10 meters
c)
100 meters
d)
1,000 meters
44.
convert 9 km to mm
a)
900,000
b)
9,000,000
c)
9,000
d)
90,000
45.
Which is greater? 
9,000 milliliters or 10 liters
a)
9,000 mL
b)
10 L
46.
Which lists metric units, in order, from smallest to largest?
a)
milligram, centigram, gram
b)
kilogram, gram, centigram
c)
decagram, hectogram, milligram
d)
kilogram, hectogram, decagram
47.
How many millimeters are in a centimeter?
a)
10
b)
100
c)
1000
d)
0.001
48.
What does kilo mean?
a)
thousand
b)
hundred
c)
ten
d)
ten thousand
49.
You know that 12 inches = 1 foot.  Convert 60 inches to feet.
a)
720 feet
b)
5 feet
c)
5 inches
d)
72 feet
50.

Convert 3.5 gallons into cups. (1gal = 16cups)

a)

56 cups

b)

0.21875 cups

c)

19.5 cups

d)

48 cups

51.
How many minutes are in a year?
a)
I can't count that high.
b)
525,600min
c)
52,560min
d)
31,536,000min
52.

How many years are in a 3 months?

a)

0.2 yrs

b)

0.75 yrs

c)

0.50 yrs

d)

0.25 yrs

53.

How many kilograms of calcium are there in 173 pounds of calcium? (1 pound = 454 grams)

a)

1.10 kg

b)

78.5 kg

c)

110 kg

d)

78500 kg

54.
How many inches are in 1 mile?
(Hint:  5280 ft = 1 mi)
a)
66,330 in
b)
63,360 in
c)
63,660 in
d)
63,066 in
55.
How many dimes equals 14 quarters?
a)
140 dimes
b)
35 dimes
c)
70 dimes
d)
20 dimes
56.
What unit should be in the numerator of the conversion factor?
a)
yards
b)
leagues
c)
feet
d)
fathoms
57.
The length of a desk is 3.5 feet. How many centimeters is the length? 
(there are 2.54 cm in an inch)
a)
60
b)
120.23
c)
106.68
d)
117.12
58.
What unit is the largest unit
a)
hm
b)
cg
c)
g
d)
dm
59.
convert 9 km to mm
a)
900,000
b)
9,000,000
c)
9,000
d)
90,000
60.
1 Meter = ______cm
a)
100
b)
10
c)
1
d)
1000
61.

98 dL = ________mL

a)

98

b)

0.98

c)

980

d)

9800

62.

If you are converting 4 pounds to ounces, which of the following conversion factors would you use?

a)

1 kg = 2.2 lbs

b)

1 lb = 16 oz.

c)

1 gram = 0.038 oz.

d)

1 oz. = 30 mL

63.

How many kilograms of calcium are there in 173 pounds of calcium? (1 pound = 454 grams)

a)

1.10 kg

b)

78.5 kg

c)

110 kg

d)

78500 kg

64.
Is wood burning a physical or chemical change?
a)
Physical 
b)
Chemical
65.
Is Gatorade powder dissolving in water physical or chemical change?
a)
Physical 
b)
Chemical
66.
Is sharpening a pencil a physical or chemical change?
a)
Physical 
b)
Chemical
67.
What does it mean if a mixture is heterogeneous?
a)
you can see the different parts
b)
cannot tell one part from another
c)
very well blended
d)
made of elements
68.

Which mixture separation method would use to separate salt from water?

a)

filtration

b)

magnet

c)

boiling/evaporation

d)

sorting physically

69.

What method should you use to separate iron shavings and sand?

a)

filtration

b)

sorting

c)

magnet

d)

boiling

70.

Elements and compounds are always ___.

a)

pure substances

b)

mixtures

71.

Matter is destroyed during...

a)

Only a Physical Change

b)

Only a Chemical Change

c)

Both Physical & Chemical Changes

d)

Neither Physical & Chemical Changes

72.

Italian Salad Dressing is considered to be which kind of mixture?

a)

suspension

b)

colloid

c)

compound

d)

element

73.
In which of the following states of matter does a substance take the shape of its container?
   I. solid
 II. liquid
 III. gas
a)
II Only 
b)
II and III only
c)
I, II, and III
d)
III only
74.
Which of the following tools would be most helpful for separating a solid and a liquid? 
a)
measuring cups
b)
balance
c)
filter paper
d)
ruler
75.
Which of the following phases of water has neither a definite shape nor a constant volume? 
a)
none of these
b)
solid
c)
liquid
d)
gas
76.
 A class has a mixture of sand, iron filings, and water. Four different students shared ideas of how to separate the mixture.
Which proposal would make separating the three parts of the mixture the fastest? 
a)
First separate the water from the mixture by evaporation, and then separate the sand and iron filings by sifting.
b)
First separate the iron filings using a magnet, and then filter the sand out of the water.
c)
First filter the sand and iron filings out of the water, and then separate the sand and iron filings by hand.
d)
First separate the sand from the mixture by flotation, and then separate the water and iron filings by evaporation.
77.
Name the separation method that causes wet clothes on a clothes line to dry
a)
Chromatography
b)
Filtration
c)
Distillation
d)
Evaporation
78.

Dyes in water soluble markers may be separated by means of..

a)

crystallization

b)

sublimation

c)

chromatography

d)

sedimentation

79.
Water and alcohol are easily separated by distillation because of their
a)
 different melting points
b)
different colours
c)
different densities
d)
different boiling points
80.
Two or more substances mingled together, but not chemically combined are known as a
a)
residue
b)
solution
c)
distillate
d)
mixture
81.
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
82.
Water and alcohol are easily separated by distillation because of their
a)
 different melting points
b)
different colours
c)
different densities
d)
different boiling points
83.
Making a mixture results in ___________________ only.
a)
chemical reactions
b)
separate parts
c)
physical changes
d)
two subtances
84.
What is Avogadro's Number? 
a)
6.02 x 1023
b)
- 6.02 1023
c)
6.02 x 1022
d)
6,020,000,000,000
85.

Convert 4.5x1024 atoms to moles

a)

0.747 particles

b)

0.747 mol

c)

2.71x1047 mol

d)

2.71x1047 particles

86.

Convert 5.11x1023 atoms of lithium to moles?

a)

1.18

b)

0.351

c)

1.34

d)

0.849

87.
Which of the following dimensional analysis setups will correctly convert 4.00x1023atoms of cobalt to moles of cobalt? How many moles of colbalt are there?
a)
setup B : 0.6644mol Co
b)
setup A: 2.41x1047mol Co
c)
setup A : 0.664mol Co
d)
setup B: 2.41x1047mol Co
88.

(0901) How many water molecules are in 5.2 moles of water?

a)

6.0 x 1023 molecules

b)

5.2 molecules

c)

3.1 x 1024 molecules

d)

8.6 x 10-24 molecules

89.

(0901) How many moles of methane (CH4) are in 1.24 x 1023 molecules of methane?

a)

6.02 x 1023 moles

b)

7.46 x 1046 moles

c)

978 moles

d)

0.206 moles

90.
How many atoms of iodine are in a mole of iodine?
a)
53
b)
63.55g
c)
126.9
d)
6.02 x 1023
91.
Which conversion factor should be used for the following question " How many molecules are there in 4.00 moles of glucose, C6H12O6
a)
1 mole = 78.12 g
b)
1 mole = 22.4 L 
c)
1 mol = 6.02x 1023 particles 
d)
more than one
92.
How many molecules are in 9.44 moles of AlCl3?
a)
5.68 molec AlCl3
b)
5.68x1024 molec AlCl3
c)
0.705 molec AlCl3
d)
1.25x1023 molec AlCl3