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Unit 1 H Chem Quiz Review

Total questions: 85

Worksheet time: 2hrs 39mins

Name
Class
Date
1.
How many sig. fig. are in the number below:
350.540
a)
4
b)
5
c)
6
d)
7
2.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
3.
How many Significant Figures in the number below?
4.56 x 103
a)
5
b)
4
c)
6
d)
3
4.
How many Significant Figures in the number below?
4,500
a)
3
b)
4
c)
2
d)
1
5.
How many Significant Figures in the number below?
400,506
a)
5
b)
4
c)
6
d)
3
6.
How many significant figures does 0.010 m have?
a)
1
b)
2
c)
3
d)
4
7.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
8.
Solve & Round to Correct Sig Figs.
4.5 x 2.34 = 
a)
11
b)
10.52
c)
10.5
d)
10
9.
Solve & Round to Correct Sig Figs.
100 / 2 = 
a)
50
b)
50.
c)
50.0
d)
50.00
10.
Calculate the answer to the following problem and round the final answer to the correct number of sig figs:
4.627 / 0.00371 = 
a)
1247.169811
b)
1250
c)
1247
d)
1240
11.
Calculate the answer to the following problem and round the final answer to the correct number of sig figs:
278 x 11.70 =
a)
3252.6
b)
3250
c)
3252
d)
325
12.

Round 0.30473 to 3 significant figures

a)

0.304

b)

0.3050

c)

0.300

d)

0.305

13.

Write 0.04967 to 2 significant figures

a)

0.0500

b)

0.049

c)

4.9 x 10^-2

d)

0.050

14.

What is the length?

a)

7

b)

7.7

c)

7.70

d)

7.700

15.

What is the volume?

a)

50

b)

45

c)

45.0

d)

40.5

16.

WHAT IS THE VOLUME?

a)

36

b)

36.5

c)

37.0

d)

36.0

17.

WHAT IS THE VOLUME?

a)

20.15

b)

20.1

c)

21.5

d)

21.50

18.

What is the answer? 6.569 + 147

a)

153.569

b)

154

c)

150

d)

153.6

19.
This bullseye demonstrates...
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
20.
Calculate 12.34 + 1.234 + 0.1234 and give your answer with the correct number of significant figures.
a)
13.6974
b)
13.697
c)
13.70
d)
13.7
21.
Calculate 7.987 m - 0.54 m and give your answer with the correct number of significant figures.
a)
7.45 m
b)
7.447 m
c)
7.4 m
d)
7.5 m
22.
Describe the accuracy and precision of the image
a)
Accurate and Precise
b)
Accurate and not precise
c)
Not Accurate and Precise
d)
not accurate and not precise
23.
Describe the accuracy and precision of the image
a)
Accurate and Precise
b)
Accurate and not precise
c)
Not Accurate and Precise
d)
not accurate and not precise
24.

What is the uncertainty in the scale of this beaker?

a)

±10 mL

b)

±1 mL

c)

±0.1 mL

d)

±45 mL

25.

What is the uncertainty in this scale?

a)

±10 mL

b)

±1 mL

c)

±0.1 mL

d)

±0.01 mL

26.
What kind of properties can only be observed when a substance changes into a different substance?
a)
physical properties
b)
chemical properties
c)
liquid properties
d)
real properties
27.
Is making a cake physical or chemical
a)
physical
b)
chemical
c)
ducktile
d)
maluable
28.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
29.
Is hammering wood together to build a house a chemical or physical change?
a)
chemical
b)
physical
30.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
31.
Is making salt water to gargle with a physical or chemical change?
a)
physical
b)
chemical
32.
Causes a change in temperature ...
a)
Chemical Reaction
b)
Physical Reaction
33.
Physical properties are
a)
properties that can be observed without changing the identity of the substance
b)
properties that describe how a substance changes into a completely different substance
34.
A copper penny turning greenish after a few years is an example of ...
a)
Chemical Change
b)
Physical Change
35.
Is copper tarnishing a physical or chemical change?
a)
Physical 
b)
Chemical
36.
Is the formation of the grand canyon a physical or chemical change?
a)
Physical 
b)
Chemical
37.

What are the three states of matter?

a)

Solid

b)

Wet

c)

Gas

d)

Frozen

e)

Liquid

38.

How do you make a mixture?

a)

By combining 2 or more substances.

b)

By pouring lots of one substance into a cup.

c)

By stirring water

39.

Which particle model represents a combination of an element and a compound?

a)
b)
c)
d)
40.
Which one of these pictures represents a mixture? 
a)
1
b)
2
c)
3
d)
1, 2 and 3
41.
Which one of these pictures represents a pure substance? 
a)
1 and 2
b)
1 and 3
c)
2 and 3
d)
1, 2 and 3
42.
What type of mixture is this?
a)
homogenous mixture
b)
chemical
c)
heterogeneous mixture 
d)
solid mix
43.

What type of change is this?

a)

Chemical Change

b)

Physical Change

44.

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

a)

Homogeneous

b)

Heterogeneous

c)

Homogeneous and heterogeneous

d)

None

45.
A substance in which all the atoms are the same
a)
colloid
b)
homogeneous mixture
c)
solution
d)
element
46.
This picture represents: 
a)
Element
b)
Compound
c)
Mixture of Elements
d)
Mixture of Compounds
47.

Which particle model represents a combination of two compounds?

a)
b)
c)
d)
48.
A mixture that is NOT evenly distributed is called ....
a)
Compounded
b)
Homogenous
c)
Heterogenous
d)
Salty
49.

In this image, the VOLUME of A is _____ the volume of B

a)

equal to

b)

greater than

c)

less than

50.
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
51.

Calculate the density of the rectangular prism

a)

2 g/cm3

b)

4 g/cm3

c)

6 g/cm3

d)

8 g/cm3

52.

Three liquids and two solids are placed in a graduated cylinder. The substances arrange themselves in the cylinder according to their densities. Use the information to identify the liquids and solids in the graduated cylinder. start with the top solid as substance 1, and the top liquid as substance 2, and so on

a)

Gold

b)

Mercury

c)

water

d)

Gasoline

e)

Cork

1)
2)
3)
4)
5)
53.

Which box has a higher density?

a)

A

b)

B

c)

They are the same

54.
At which point should your eyes be when you read a graduated cylinder? (Hint: see the letter next to the eye)
a)
A
b)
B
c)
C
55.
What is the volume of Object X?
a)
10.0 cm3
b)
15.0 cm3
c)
20.0 cm3
d)
25.0 cm3
56.
An object with which of the following densities will float on water?
a)
0.7 g/cm3
b)
1.2 g/cm3
c)
3.5 g/cm3
d)
11.4 g/cm3
57.

What is the meaning of the slope on this graph?

a)

volume

b)

mass

c)

density

d)

length

58.

If a block of wood has a density of 0.6 g/cm3 and a mass of 120 g, what is its volume?

a)

300 cm3

b)

200 cm3

c)

100 mL

d)

150 cm3

59.

Convert 17 m to cm:

a)

0.17 cm

b)

0.017 cm

c)

1,700 cm

d)

170 cm

60.

Convert 300 meters to centimeters:

a)

3000 cm

b)

0.3 cm

c)

30,000 cm

d)

3 cn

61.

Convert 5 cm to mm:

a)

5,000mm

b)

0.5 mm

c)

0.05 mm

d)

50 mm

62.

1000 grams = _____ kilograms

a)

0.0001

b)

1,000,000

c)

10

d)

1

63.

3.85 hg = _____ cg

a)

38,500

b)

3,850

c)

38.5

d)

0.000385

64.

378 mL = (a)   kL

enter the number value only

65.
Which unit is the smallest?  
a)
km
b)
mm
c)
m
d)
cm 
66.
How would you write 4.3756 x 104 in standard form?
a)
437,560,000
b)
0.00043756
c)
43,756
d)
4,3756
67.
How do you write
1001
in scientific notation?
a)
1.0001 x 104
b)
1.01 x 105
c)
1.001 x 103
d)
10.1 x 103
68.
Express the following in scientific notation:
.000457
a)
457 x 106
b)
457 x 10-6
c)
4.57 x104
d)
4.57 x 10-4
69.

43 Km = (a)   dm

70.
Convert 3.41 cm to decimeters.
a)
341 dm
b)
0.341 dm
c)
0.00341 dm
d)
34.1 dm
71.
Convert 3 cm to dekameters
a)
0.3 Dam
b)
0.03 Dam
c)
0.003 Dam
d)
0.0003 Dam
72.
Convert 2859 cm3 to milliliters
a)
2.859 mL
b)
28 590 mL
c)
285.9 mL
d)
2859 mL
73.
Convert 218 nanometers to centimeters
a)
0.000 0218 cm
b)
0.0218 cm
c)
0.000 000 0218 cm
d)
2 180 000 000 cm
74.
Convert 0.397 m2 to cm2
a)
39.70 cm2
b)
397 000 cm2
c)
3970 cm2
d)
.003970 cm2
75.
Convert 7640 cm3 to liters
a)
7.64 L
b)
7640 L
c)
764 L
d)
76.4 L
76.

Convert 1.42 mm² to cm².

a)

0.0142 cm²

b)

0.142 cm²

c)

1.42 cm²

d)

0.00142 cm²

77.

If a graduated cylinder is filled with liquid has the smallest increments going by 0.1 (the tenths place), what position should you estimate to?

a)

thousandths (.001)

b)

hundreths (.01)

c)

tenths (.1)

d)

ones (1)

78.

If the measurement recorded for a graduated cylinder was 15.2 mL, what was the smallest increment marked on the graduated cylinder?

a)

10's

b)

1's

c)

.1's

d)

.01's

79.

What process of separating mixture is illustrated on the animated gif posted here?

a)

decantation

b)

distillation

c)

evaporation

d)

condensation

80.

How are you going to separate salt from salt water solution?

a)

by evaporation process

b)

by decantation process

c)

by using magnet

d)

by sieving

81.

Which of the following is the correct setup of Filtration?

a)
b)
c)
d)
82.

THE SUBSTANCE THAT CAN BE SEPARATED BY PHYSICAL METHODS

a)

ELEMENTS

b)

COMPOUNDS

c)

MIXTURES

83.

This type of paper allows liquid to pass through it. What tool is it?

a)

sieve

b)

filter

84.

Which words best describe O2-?

a)

element

b)

ion

c)

molecule

d)

covalent

e)

pure substance

85.

Match the following

a)

Fe2O3

1.

Ionic

b)

K+1

2.

Cation

c)

N2O5

3.

Covalent Compound

d)

H2

4.

Diatomic element

e)

Salt Water

5.

Homogenous Solution

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