Benzene is an unsaturated hydrocarbon. Which of the following is NOT a property of benzene?
A) Benzene is a liquid at room temperature.
B) Benzene undergoes the same reactions that other unsaturated hydrocarbons do.
C) Benzene contains only carbon and hydrogen.
D) Benzene has a ring of carbon atoms in its structure.
Question 2
Pure rainfall (rainfall undisturbed by human influences) has a pH of approximately 5.6. The pH of rain in some areas has been measured at 2.6. The acidity of this rain is
A) 0.3 times that of normal rain.
B) 3 times that of normal rain.
C) 300 times that of normal rain.
D) 1000 times that of normal rain.
Dew point/temperature relationships in (a) unsaturated air and saturated air (b and c).
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