Exam (elaborations)
Chapter 7 test Exam 2024/2025 Questions With Completed & Verified Solution.
Chapter 7 test Exam 2024/2025 Questions With Completed & Verified Solution.
[Show more]
Content preview
Chapter 7 testWhat term applies to all living things and those things that were once alive?
A. inorganic
B. matter
C. organic
D. element - ANS C. organic
gasoline, synthetic fabrics plastics and pesticides are all considered organic because they are
all manufactured from__________.
A. natural gas and oil
B. subatomic particles
C. sodium chloride
D. ammonium thioglycolate acid - ANS A. natural gas and oil
metals, minerals, water, air, and ammonia are all examples of ____________ substances.
A. live
B. inorganic
C. natural
D. organic - ANS B. inorganic
organic chemistry is the study of substances that contain the element__________.
A. oxygen
B. hydrogen
C. sulfur
D. carbon - ANS D. carbon
which of the following is defined as anything that occupies space (volume) and has mass (
weight)?
A. oxygen
B. hydrogen
C. sulfur
D. carbon. - ANS D. carbon
there are 118 different elements know to science today. how many of these are naturally
occurring on earth ?
A. 116
B. 98
C. 50
D. 76 - ANS D. 76
which of the following are the basic building blocks of all matter?
, A. electrons
B. protons
C. molecules
D. Atoms - ANS D. Atoms
__________ is the most common element found in the know universe.
A. hydrogen
B. oxygen
C. carbon dioxide
D. sodium - ANS A. hydrogen
an example of an elemental molecule is __________.
A. hydrogen peroxide
B. common table salt
C. water
D. the oxygen in the air - ANS D. the oxygen in the air
As the basic unit of matter, ________ cannot be divided into simpler substances by ordinary
chemical means.
A. molecules
B. oxygen
C. atoms
D. water - ANS C. atoms
Rushing iorn and burning wood are examples of a change in what type of properties?
A. chemical
B. Physical
C. mechanical
D. electrical - ANS A. chemical
what chemical compound can exist in all three states of matter depending on its temperature?
A. carbon dioxide
B. hydrogen
C. water
D. oxygen - ANS C. water
An example of physical change is __________.
A. rusting iorn
B. ice melting
C. burning wood
D. oxidation - ANS B. ice melting
in hair lightening processes, what substances oxidizes the melanin pigments in hair, leaving the
hair a lighter color?
The benefits of buying summaries with Stuvia:
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
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
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 these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller ALICE12. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
62890 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now