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CHEM 1100 EXAM 1 REVIEW QUESTIONS WITH CORRECT DETAILED ANSWERS.
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CHEM 1100 EXAM 1 REVIEW QUESTIONS WITH CORRECT DETAILED ANSWERS.
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CHEM 1100 EXAM 1 REVIEWQUESTIONS WITH CORRECT DETAILED
ANSWERS.
Of 5 major gaseous components of air, which is the only one to vary significantly in
concentration from place to place and day to day? - ANSWER- Water vapor
Which substance is not considered to be an air pollutant? - ANSWER- N2
Which substance are considered to be air pollutants? - ANSWER- SO2, NO2, O3
The two main products of the combustion of gasoline in an automobile engine are -
ANSWER- water and carbon dioxide
Diatomic molecule - ANSWER-
Which pollutant is present in air as particulate matter? - ANSWER- Soot
Which color in the Air Quality Index warns that the level of a pollutant is hazardous,
most dangerous? - ANSWER- Maroon
Which substance is an element? - ANSWER- N2
Know which elements on periodic table are metals - ANSWER-
Ozone is considered an air pollutant in the ________, but is a valuable protective layer
in the _______ - ANSWER- Troposphere
Stratosphere
A ______ is a fixed number of atoms held together by chemical bonds in a certain
spatial arrangement - ANSWER- Molecule
Compound - ANSWER-
Chemical symbol for silver - ANSWER- Ag
Molecule - ANSWER-
When naming virtually all compounds made up of 2 elements, the second element
mentioned ends in.... - ANSWER- -ide
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