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Hydrocarbons Chapter 25
Test Description: Hydrocarbons chapter 25
Instructions: Answer all questions to get your test result.
1) What is the general formula for cycloalkanes?
A
CnHn
B
CnH2n-2
C
CnH2n
D
CnH2n+2
2) In cycloalkanes, each carbon atom bonds to how many other carbon atoms?
A
1
B
2
C
3
D
4
3) Cycloalkanes can have shapes that are
A
circular.
B
all of these.
C
planar.
D
three-dimensional
4) Unsaturated hydrocarbons that have one carbon-carbon double bond are called
A
any of these.
B
alkanes.
C
alkenes.
D
alkynes.
5) What is the general formula for alkynes?
A
CnH2n
B
CnH2n-2
C
CnH2n+2
D
CnHn
6) Which of the following is an important unsaturated cyclic hydrocarbon with two resonance structures, neither of which accurately describes its bonds?
A
benzene
B
cycloethane
C
morphine
D
cyclohexane
7) Which of the following is a class of large organic compounds made of repeating units?
A
clusters
B
chains
C
polyalkanes
D
polymers
8) Proteins are long chains in which the repeating units are
A
ethanoic acids.
B
styrene bases.
C
ethylene bases.
D
amino acids
9) Synthetic carbon compounds that decompose over time are labeled
A
self-restoring.
B
recyclable.
C
nonrenewable.
D
biodegradable.
10) A proactice that can extend the availability of natural resources for future generations is
A
the recycling of synthetic compounds.
B
the use of nonbiodegradable products.
C
wider use of petroleum products.
D
all of these.
*select an answer for all questions
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