CHAPTER 9 Assessment
Interactive Textbook with assessment at PHSchool.com
Reviewing Content
Choose the letter that best answers the question or completes the statement.
How many bonds can a carbon atom form?
two
four
six
seven
Two compounds that have the same molecular formula but different structural formulas are
isomers.
isotopes.
alkanes.
alkenes.
Which compound has a triple bond?
alkene
alkyne
alkane
alcohol
The primary products of complete combustion of fossil fuels are
carbon monoxide and water.
carbon dioxide and water.
carbon dioxide and carbon monoxide.
methane and water.
What is an organic compound with at least one hydroxyl group called?
an organic acid
an alkyne
an organic base
an alcohol
Amines all contain atoms of
oxygen.
nitrogen.
sulfur.
chlorine.
The monomers for protein molecules are
ethene.
nucleic acids.
amino acids.
ethanoic acids.
A nucleotide does not contain a(n)
organic base.
organic acid.
sugar.
phosphate group.
Reactions in cells take place at about
100°C.
0°C.
40°C.
60°C.
An enzyme is a
protein.
vitamin.
lipid.
carbohydrate.
Understanding Concepts
How did the synthesis of urea change the definition of an organic compound?
Why is diamond extremely hard but graphite is extremely soft?
What is a saturated hydrocarbon?
Why can an acetylene torch be used to weld metals together?
How are fossil fuels formed?
How are the hydrocarbons in petroleum separated into fractions?
Why is it important to make sure that there is plenty of air around a gas burner such as the one shown below?
How is acid rain produced?
What is a functional group?
Why is ethanol added to gasoline?
What types of substituted hydrocarbons can react to form esters?
Explain why natural and synthetic rubber have different properties.
What do cellulose and starch have in common?
What are the products of photosynthesis? What are the products of cellular respiration?
What role do enzymes play in cells?
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