Identify the pair that are allotropes.
A) pencil lead and a diamond
B) oxygen gas and nitrogen gas
C) gold and silver
D) mercury and bromine
Correct Answer:
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Q26: Which atmospheric region contains the protective ozone
Q27: Why is carbon monoxide toxic to mammals?
A)
Q28: In air pollution abatement
A) all pollutants are
Q29: What brown oxide of nitrogen is a
Q30: Where do sulfur dioxide and sulfuric acid
Q32: What effect will exposure to an ozone
Q33: Air with a ozone concentration of 0.0545
Q34: Abatement or eradication of air pollution necessarily
Q35: Which pollutant can be removed by centrifuged
Q36: Identify the type of pollution that is
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