Name:
SCIENCE 30
UNIT B: CHEMISTRY AND THE
ENVIRONMENT ASSIGNMENT BOOKLET
B1
, Science 30: Unit B 1 Assignment Booklet
page.
Science 30
B1
©
2007 Alberta Education (www.education.gov.ab.ca). Third-party copyright credits are listed on the attached copyright credit
ASSIGNMENT BOOKLET
B1 SCIENCE 30: UNIT B
CHAPTER 1 ASSIGNMENT
This Assignment Booklet is worth 100 marks out of the total 172 marks for the assignments in
Unit A. The value of each assignment and each question is stated in the left margin.
Read all parts of your assignment carefully, and record your answers in the appropriate places.
If you have difficulty with an assignment, go back to the textbook and review the appropriate
lesson. Be sure to proofread your answers carefully before submitting your Assignment
Booklet.
100 Chapter 1 Assignment: Acid Deposition
For questions 1 and 2, read each question carefully. Decide which of the choices BEST
completes the statement or answers the question. Place your answer in the blank space given.
1 1. What product of the combustion of a hydrocarbon occurs only when the supply
of oxygen is limited?
A. carbon dioxide
B. carbon monoxide
C. nitrogen dioxide
D. sulfur dioxide
1 2. Which of the following emission(s) occurs when any fuel is burned at a
high temperature in the presence of air?
A. CO gas
B. NOx gases
C. particulates
D. oxides of sulfur
3. Match each description with the appropriate term from the following list. Place your
answer in the blank space given.
i. combustion ii. greenhouse gas
iii. hemoglobin iv. oxide
½ a. a chemical substance consisting of oxygen atoms and other types of atoms
½ b. a rapid chemical process involving oxygen whose products are a major
source of emissions
½ c. a substance in the blood that normally transports oxygen but which
readily binds with carbon monoxide
½ d. carbon dioxide or another substance in the atmosphere that absorbs infrared
radiation (heat), thereby preventing its loss
, Science 30: Unit B 2 Assignment Booklet
page.
Science 30
B1
©
2007 Alberta Education (www.education.gov.ab.ca). Third-party copyright credits are listed on the attached copyright credit
3 4. In the investigation “Comparing the Effects of the Products of Cellular Respiration and
Combustion,” the gaseous products of cellular respiration and combustion were bubbled
through a solution of bromothymol blue and water. Explain why the solution colour
changed.
5. Balance the following equations by providing the whole number coefficients in each blank.
2 a. C9H20(g) O2(g) CO2(g) H2O(g)
2 b. C6H14(g) O2(g) CO2(g) H2O(g)
2 6. List four natural processes that add carbon dioxide to the atmosphere.
2 7. Several factors are used to establish environmental quality standards in Alberta. List four
of these factors.
Return to page 4 of the Distributed Learning Student Guide, and begin Lesson 1.2.
, Science 30: Unit B 3 Assignment Booklet
page.
Science 30
B1
©
2007 Alberta Education (www.education.gov.ab.ca). Third-party copyright credits are listed on the attached copyright credit
For questions 8 to 15, read each question carefully. Decide which of the choices BEST
completes the statement or answers the question. Place your answer in the blank space given.
1 8. Which of the following improves the validity of an experiment?
A. performing frequent calibration checks
B. repeating tests with both positive and negative experimental controls
C. practising techniques and using equipment before the experiment
D. performing the experiment using methods others have successfully used in
the same situation
1 9. An aqueous solution of sodium chloride was found to be a conductor of
electricity. When the solution was tested with both blue and red litmus paper,
neither one changed colour. Based on these observations, the salt solution is
A. acidic and ionic
B. basic and molecular
C. neutral and ionic
D. neutral and molecular
1 10. The following acids were prepared with a concentration of 0.10 mol/L and at
a temperature of 25°C.
I. oxalic acid
II. benzoic acid
III. boric acid
IV. hydrofluoric acid
According to the “Table of Acids and Bases,” which of these acids is the
strongest?
A. I
B. II
C. III
D. IV
SCIENCE 30
UNIT B: CHEMISTRY AND THE
ENVIRONMENT ASSIGNMENT BOOKLET
B1
, Science 30: Unit B 1 Assignment Booklet
page.
Science 30
B1
©
2007 Alberta Education (www.education.gov.ab.ca). Third-party copyright credits are listed on the attached copyright credit
ASSIGNMENT BOOKLET
B1 SCIENCE 30: UNIT B
CHAPTER 1 ASSIGNMENT
This Assignment Booklet is worth 100 marks out of the total 172 marks for the assignments in
Unit A. The value of each assignment and each question is stated in the left margin.
Read all parts of your assignment carefully, and record your answers in the appropriate places.
If you have difficulty with an assignment, go back to the textbook and review the appropriate
lesson. Be sure to proofread your answers carefully before submitting your Assignment
Booklet.
100 Chapter 1 Assignment: Acid Deposition
For questions 1 and 2, read each question carefully. Decide which of the choices BEST
completes the statement or answers the question. Place your answer in the blank space given.
1 1. What product of the combustion of a hydrocarbon occurs only when the supply
of oxygen is limited?
A. carbon dioxide
B. carbon monoxide
C. nitrogen dioxide
D. sulfur dioxide
1 2. Which of the following emission(s) occurs when any fuel is burned at a
high temperature in the presence of air?
A. CO gas
B. NOx gases
C. particulates
D. oxides of sulfur
3. Match each description with the appropriate term from the following list. Place your
answer in the blank space given.
i. combustion ii. greenhouse gas
iii. hemoglobin iv. oxide
½ a. a chemical substance consisting of oxygen atoms and other types of atoms
½ b. a rapid chemical process involving oxygen whose products are a major
source of emissions
½ c. a substance in the blood that normally transports oxygen but which
readily binds with carbon monoxide
½ d. carbon dioxide or another substance in the atmosphere that absorbs infrared
radiation (heat), thereby preventing its loss
, Science 30: Unit B 2 Assignment Booklet
page.
Science 30
B1
©
2007 Alberta Education (www.education.gov.ab.ca). Third-party copyright credits are listed on the attached copyright credit
3 4. In the investigation “Comparing the Effects of the Products of Cellular Respiration and
Combustion,” the gaseous products of cellular respiration and combustion were bubbled
through a solution of bromothymol blue and water. Explain why the solution colour
changed.
5. Balance the following equations by providing the whole number coefficients in each blank.
2 a. C9H20(g) O2(g) CO2(g) H2O(g)
2 b. C6H14(g) O2(g) CO2(g) H2O(g)
2 6. List four natural processes that add carbon dioxide to the atmosphere.
2 7. Several factors are used to establish environmental quality standards in Alberta. List four
of these factors.
Return to page 4 of the Distributed Learning Student Guide, and begin Lesson 1.2.
, Science 30: Unit B 3 Assignment Booklet
page.
Science 30
B1
©
2007 Alberta Education (www.education.gov.ab.ca). Third-party copyright credits are listed on the attached copyright credit
For questions 8 to 15, read each question carefully. Decide which of the choices BEST
completes the statement or answers the question. Place your answer in the blank space given.
1 8. Which of the following improves the validity of an experiment?
A. performing frequent calibration checks
B. repeating tests with both positive and negative experimental controls
C. practising techniques and using equipment before the experiment
D. performing the experiment using methods others have successfully used in
the same situation
1 9. An aqueous solution of sodium chloride was found to be a conductor of
electricity. When the solution was tested with both blue and red litmus paper,
neither one changed colour. Based on these observations, the salt solution is
A. acidic and ionic
B. basic and molecular
C. neutral and ionic
D. neutral and molecular
1 10. The following acids were prepared with a concentration of 0.10 mol/L and at
a temperature of 25°C.
I. oxalic acid
II. benzoic acid
III. boric acid
IV. hydrofluoric acid
According to the “Table of Acids and Bases,” which of these acids is the
strongest?
A. I
B. II
C. III
D. IV
