100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
CHEM2 Chemistry in Your World 2nd Edition by Hogg - Test Bank R602,59   Add to cart

Exam (elaborations)

CHEM2 Chemistry in Your World 2nd Edition by Hogg - Test Bank

 13 views  0 purchase
  • Course
  • Institution

Chapter 1—Living in a World of Chemistry MULTIPLE CHOICE 1. Which activity comes first in the scientific method? a. conclusion b. hypothesis c. experimentation d. observation ANS: D 2. Which is considered a physical science? a. physics b. biology c. zoology d. botany ANS: A 3. A scienti...

[Show more]

Preview 4 out of 209  pages

  • September 23, 2023
  • 209
  • 2022/2023
  • Exam (elaborations)
  • Questions & answers
avatar-seller
,Chapter 1—Living in a World of Chemistry

MULTIPLE CHOICE

1. Which activity comes first in the scientific method?
a. conclusion
b. hypothesis
c. experimentation
d. observation
ANS: D

2. Which is considered a physical science?
a. physics
b. biology
c. zoology
d. botany
ANS: A

3. A scientist is trying to make a new insecticide that will be more toxic to flies, but less toxic to humans
than insecticides now available. The scientist is engaged in
a. basic research.
b. applied research.
c. technology.
d. serendipity.
ANS: B

4. Which technology described in this chapter required the most time from idea to use?
a. photography
b. nylon
c. roll-on deodorant
d. X-rays in medicine
ANS: D

5. The discovery of Teflon® was
a. an example of planned research.
b. accidental
c. eventually damaging to the ozone layer.
d. deemed useless by the discoverer's company.
ANS: B

6. Which of the following are linked to the release of CFCs?
a. "ozone holes" in the stratosphere
b. increased air pollution
c. drinking water pollution
d. increased food spoilage
ANS: A

, CHEM2 Chapter 1 Living in a World of Chemistry


7. An endeavor to provide an "ample margin of safety" to protect the public is an example of a
a. technology-based law.
b. balancing law.
c. risk management.
d. risk-based laws.
ANS: A

8. What is the approximate population of the world?
a. 6,000,000 people
b. about 3 billion people
c. over 6,000,000,000 people
d. 2,000,000 people
ANS: C

9. Chemistry is often defined as the study of
a. matter and the changes it can undergo.
b. naturally occurring matter.
c. fundamental particles in research labs.
d. synthetically produced matter.
ANS: A

10. Refrigeration has been used since the late 1800s and early refrigerants were
a. safe.
b. flammable and toxic.
c. inert.
d. fluorine compounds, CFCs.
ANS: B

11. The map of the complete human DNA sequence was
a. completed in 1990.
b. done exclusively in not-for-profit research labs.
c. completed exclusively in for-profit research labs.
d. completed in 2003.
ANS: D

12. Which of the following explorations could be enhanced by our knowledge of DNA?
a. development of drug to cure cancer
b. use of genetically modified food to produce edible vaccines
c. determine if a convicted felon is actually innocent
d. all of these
ANS: D




2

, CHEM2 Chapter 1 Living in a World of Chemistry


13. Which is considered a fossil fuel?
a. coal
b. solar
c. wind
d. hydrothermal
ANS: A

14. The smallest concentration listed below is
a. parts per million.
b. parts per trillion.
c. parts per billion.
d. parts per thousand.
ANS: B

15. What is chemophobia?
a. fear of chemistry courses
b. fear of global warming
c. fear of chemicals
d. fear of radiation
ANS: C


TRUE/FALSE

Answer the following in reference to the 2003 HCRA publication Risk in Perception.

1. Natural risks seem less worrisome than human-made risks.

ANS: T

2. The American perception of “It can’t happen to me.” or “It can’t happen here.” changed in 2001.

ANS: T

3. The perception of the severity of a risk escalates with time.

ANS: F




3

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through EFT, credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying this summary from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller ExamsExpert. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy this summary for R602,59. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

62555 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy summaries for 14 years now

Start selling

Recently viewed by you


R602,59
  • (0)
  Buy now