CFCs were originally developed to replace which refrigerant compound(s) ?
A) Ice
B) HCFCs
C) Ammonia and sulfur dioxide
D) Propane
Correct Answer:
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Q31: Which Lewis structure for formaldehyde (CH2O) is
Q32: Why are HFCs environmentally superior to the
Q33: Free radicals are
A)highly reactive chemical species.
B)species with
Q34: Which region of the ultraviolet spectrum is
Q35: In reference to waves,frequency is the
A)number of
Q37: Yellow light has a wavelength of 580
Q38: HCFCs are a temporary solution to the
Q39: Single bonds,double bonds,and triple bonds
A)have 1,2,and 3
Q40: Decreased stratospheric ozone concentrations may lead to
A)increased
Q41: Why are HFCs inappropriate for long-term replacement
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