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Physical Science Review 8.2
Test Description: Carbon Compounds
Instructions: Answer all questions to get your test result.
1) Organic compounds usually contain
A
a halogen
B
carbon
C
oxygen
D
nitrogen
2) hydrocarbons have all the properties of organic compounds in addition to
A
low melting and boiling points
B
flammability
C
low conductivity
D
poorly mixing with water
3) The __________ on the molecule C2H6 indicates ___ hydrogen atoms
A
subscript; 6
B
subscript; 2
C
coefficient; 6
D
coefficient; 2
4) Isomers are compounds with
A
the same chemical formula but different structural formula
B
the same structural formula but different chemical formula
C
the same structural and chemical formulas
D
different chemical and structural formulas
5) Which of the following hydrocarbons is saturated?
A
C2H6
B
2 of the choices
C
C2H2
D
C2H4
6) Which of the following compounds contains at least one double bond?
A
2 of the choices
B
alkynes
C
alkenes
D
alkanes
7) Alcohols are substituted hydrocarbons containing a _________ group
A
halogen
B
OH
C
COO
D
COOH
8) Esters are substituted hydrocarbons containing a _________ group
A
OH
B
halogen
C
COOH
D
COO
9) Organic acids are substituted hydrocarbons containing a ___________ group
A
COOH
B
OH
C
halogen
D
COO
10) CCl2F2 is an example of a(n)
A
organic acid
B
ester
C
halide
D
alcohol
*select an answer for all questions
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