The octane number of straight- run gasoline is about _ _.
A) 50
B) 0
C) 93
D) 75
E) 25
Correct Answer:
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Q50: Cyclohexane has _ fewer hydrogens than n-hexane.
A)0
B)1
C)2
D)3
E)4
Q66: The general formula of an ester is
Q67: How many structural isomers of heptane exist
Q68: Alkenes always contain a _ .
A) C-
Q69: CH3CH2C(=O)NH2 is called a(n) .
A) ester
B) aldehyde
C)
Q70: Hydrocarbons containing only single bonds between the
Q72: Alkynes always contain a _.
A) C=C bond
B)
Q74: Alkenes have the general formula _.
A) C2nHn.
B)
Q75: What is the name of the compound
Q76: Gasoline and water do not mix because
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