Methapyrilene, once an active ingredient in certain over-the-counter sleeping pills, was found to be a potent carcinogen (a substance that causes cancer). The pills were also found to be about as effective as placebos in promoting sleep.
The desirability quotient (DQ) for methapyrilene is A) low.
B) moderate.
C) high.
D) uncertain.
Question 2
Which of the following chemical substances would you expect to have the highest melting point?
A) water, H2O
B) methyl alcohol, CH3OH
C) nitrogen dioxide, NO2
D) hydrogen sulfide, H2S
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