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Chemistry I Chapter 2 Test - Part 1

Total questions: 35

Worksheet time: 18mins

Name
Class
Date
1.
A base unit is made up of several other units combined together.
a)
True
b)
False
2.

The prefix for one-millionth is nano-.

a)
True
b)
False
3.
A circle graph is most commonly used when the data is in the form of percentages.
a)
True
b)
False
4.
In determining the percent error, only the size of the difference matters, not whether the measured value is above or below the accepted value.
a)
True
b)
False
5.

A measurement of 5.685 ´ 10-7 is equivalent to 0.0000005685.

a)
True
b)
False
6.
Which kind of graph would be best to use with these data?
a)
Line Graph
b)
Circle Graph
c)
Bar Graph
d)
None of these Graphs
7.
Which kind of graph would be best to use with these data?
a)
Line Graph
b)
Circle Graph
c)
Bar Graph
d)
None of these Graphs
8.
Find the slope of the line
a)
1.30
b)
1.67
c)
1.22
d)
0.77
9.
The accepted value is 29.35. Which correctly describes this student’s experimental data?
a)
accurate but not precise
b)
precise by not accurate
c)
both accurate and precise
d)
neither accurate nor precise
10.
Which term is described as the amount of matter in an object?
a)
density
b)
mass
c)
volume
d)
length
11.
Which term describes the amount of mass contained per unit volume?
a)
mass
b)
temperature
c)
length
d)
density
12.

An object has a mass of 50.22 grams and a volume of 7.874 cubic centimeters. What material is it likely to be made of?

a)
Iron
b)
gold
c)
Silver
d)
copper
13.

Which value has only 3 significant digits?

a)
6.930
b)

0.04500

c)
8450
d)

0.3920

14.
The accepted value for a quantity is 5.67 g. If the measured value is 5.89 g, what is the percent error?
a)
1.04%
b)
3.74%
c)
3.47%
d)
3.88%
15.
Which is the correct value for the prefix deci-?
a)
one-tenth
b)
ten
c)
hundred
d)
one-thousandth
16.

Which is the sum of these values, to the appropriate number of significant digits? 17.358 + 3.5 + 20.14 =

a)
41
b)
41.00
c)
41.000
d)
41.0
17.

Which is the product of these numbers, to the appropriate number of significant digits? 56.2 X 9.210 =

a)

518

b)

517.6

c)

517.60

d)
517.00
18.

How many significant digits are in the value 530,400,000?

a)
4
b)
5
c)
6
d)
9
19.

How many significant digits are in the value 0.005034?

a)
3
b)
5
c)
7
d)

4

20.
A bottle contains 3.100 mL of a liquid. The total mass of the bottle and the liquid together is 6.300 g. The mass of the empty bottle is 4.240 g. What is the density of the liquid?
a)
0.665g/mL
b)
1.368 g/mL
c)
1.505 g/mL
d)
2.032 g/mL
21.

According to rounding rules for addition, the sum of 27.10, 34.538, and 37.68 is ____.

a)
99.318
b)
99.3
c)
99.31
d)

99.32

22.

The product of 3 X 10^4 cm and 4 10^–12 cm, expressed in scientific notation is ____.

a)

12 X 10^ -7 cm

b)

7 X 10^ -8 cm

c)

12 X 10^ -8 cm

d)

7 X 10^ -48 cm

23.
Which of the following quantities is INCORRECTLY matched with its SI base unit standard?
a)
Time / Second
b)
Mass / Kilogram
c)
Temperature / Degrees C
d)
Length / Meter
24.
Three students measured the length of a stamp, which had an accepted value of 2.71 cm. Which student’s measurements were most precise?
a)
Student 1
b)
Student 2
c)
Student 3
d)
None were precise
25.
A student recorded the temperature of a solution every 30 s for 3 min while the solution was being heated. Without drawing an actual graph, indicate which of the following describes a traditional graph of the given data?
a)
a straight line rising from left to right
b)
a straight line rising from right to left
c)
a straight horizontal line
d)
a straight vertical line
26.
The speedometer indicates the car has traveled 16,462 miles. This is equivalent to a distance of ____________________ kilometers. (1km = 0.62 mi)
a)
26,551 km
b)
65 km
c)
70 km/hr
d)
26,500 km
27.

What is the Kelvin temperature of 0 degrees Celsius

a)
357.7 K
b)
273 K
c)
358 K
d)
358.85 K
28.
The accepted length of a steel pipe is 5.5 m. Calculate the percent error for a measurement of 5.1 m.
a)
7.27%
b)
7.3%
c)
5.5%
d)
3.6%
29.

Express the following in proper scientific notation: 0.0000000062 kg

a)
6.02 X 10^-10 kg
b)

6.2 X 10^ -9 kg

c)
6.2 X 10^ 10 kg
d)
62 X 10^ -9 kg
30.

Which prefix represents one-billionth in the metric system?

a)

nano-

b)

micro-

c)

pico-

d)

milli-

31.

A measurement is recorded as 0.00450 g. How many significant digits does this value have?

a)

4

b)

2

c)

5

d)

3

32.

Which SI base unit is used to measure electric current?

a)

mole

b)

ampere

c)

candela

d)

kelvin

33.

Which prefix represents one-thousandth in the metric system?

a)

centi-

b)

milli-

c)

micro-

d)

nano-

34.

How many significant digits are in the measurement 0.03040 g?

a)

2

b)

5

c)

4

d)

3

35.

A student measures the mass of a sample as 12.50 g and the volume as 4.00 mL. What is the density of the sample?

a)

3.13 g/mL

b)

0.32 g/mL

c)

50.0 g/mL

d)

16.5 g/mL

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