 |
1 | |
What is the major reason that the U.S. government sets standards for air quality? |
| | A) | public health concerns |
| | B) | to facilitate industrial growth |
| | C) | political pressure from the States |
| | D) | response to international pressures |
|
|
2 | |
The news has recently reported that Atlanta's reading for nitrogen monoxide is 0.03 ppm. How many molecules of nitrogen monoxide are in each breath of air, assuming there are 2 x 1022 molecules of air in each breath? |
| | A) | 3 x 1011 |
| | B) | 6 x 1014 |
| | C) | 6 x 1020 |
| | D) | 7 x 1023 |
|
|
3 | |
An atom of the isotope chlorine-39 consists of how many protons, neutrons, and electrons?
(p = proton, n= neutron, e = electron) |
| | A) | 17 p, 17 n, 22 e |
| | B) | 39 p, 38 n, 39 e |
| | C) | 22 p, 17 n, 17 e |
| | D) | 17 p, 22 n, 17 e |
|
|
4 | |
What is the correct name for the element with the symbol Si? |
| | A) | silver |
| | B) | selenium |
| | C) | silicon |
| | D) | sulfur |
|
|
5 | |
Which is a true statement about the shaded elements in this Periodic Table?
 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0072410159/51615/1B5.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (1.0K)</a>]]>
|
| | A) | They belong to Group VIIA. |
| | B) | They belong to Group VIIB. |
| | C) | They belong to Period 7. |
| | D) | They are all metals. |
|
|
6 | |
This graph shows the sources of the pollutant carbon monoxide, CO, in the atmosphere. What is the source of 76% of all atmospheric CO?
 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0072410159/51615/1B6.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (1.0K)</a>]]>
|
| | A) | industry |
| | B) | transportation |
| | C) | power plants |
| | D) | natural sources |
|
|
7 | |
Which of these air pollutants has shown the largest percentage decrease in the U.S. from 1970 - 2000? |
| | A) | nitrogen oxides |
| | B) | sulfur oxides |
| | C) | carbon monoxide |
| | D) | lead |
|
|
8 | |
When this equation for the combustion of ethanol is balanced with whole number coefficients, what is the coefficient for O2 in the equation?
__C2H5OH (g) + __O2(g) ----> __CO2(g) + __H2O (g) |
| | A) | 1 |
| | B) | 3 |
| | C) | 5 |
| | D) | 7 |
|
|
9 | |
Which of these gases is least abundant in an inhaled breath? |
| | A) | carbon dioxide |
| | B) | nitrogen |
| | C) | argon |
| | D) | oxygen |
|
|
10 | |
A substance that cannot be broken down into simpler substances by chemical or physical processes is |
| | A) | a compound. |
| | B) | an element. |
| | C) | a mixture. |
| | D) | a solution. |
|
|
11 | |
Which is the main pollutant measured by the Pollution Standard Index (P.S.I.)? |
| | A) | Pb |
| | B) | NOx |
| | C) | O3 |
| | D) | CO |
|
|
12 | |
Which balanced chemical equation represents a process of incomplete combustion of a hydrocarbon? (Heat is not shown.) |
| | A) | 2 C8H18 + 17 O2 ----> 16 CO + 18H2O |
| | B) | C2H4 + 3 O2 ----> 2 CO2 + 2 H2O |
| | C) | C6H12O6 ----> 2 C2H5OH + 2 CO2 |
| | D) | C2H4 + H2 ----> C2H6 |
|
|
13 | |
Which chemical equation could correspond to this sphere equation?
 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0072410159/51615/1B13.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (0.0K)</a>]]>
|
| | A) | 2 H2 + O2 ----> 2 H2O |
| | B) | 2 F + 2 F ----> 2 F2 |
| | C) | N2 + 2 O2 ----> 2 NO2 |
| | D) | N2 + O2 ----> 2 NO |
|
|
14 | |
Which compound is considered the "trigger" in the formation of photochemical smog? |
| | A) | CO |
| | B) | CO2 |
| | C) | NO |
| | D) | SO2 |
|
|
15 | |
Which lists the amounts of gaseous Kryptonite in order of increasing concentration? |
| | A) | 1% < 1 ppm < 1 ppb |
| | B) | 1 ppm < 1 ppb < 1% |
| | C) | 1 ppb < 1 ppm < 1% |
| | D) | 1 ppm < 1% < 1 ppb |
|
|
16 | |
Which is the correct symbol for the element silver? |
| | A) | S |
| | B) | Si |
| | C) | Au |
| | D) | Ag |
|
|
17 | |
Which region of the atmosphere contains ground-level ozone, the "bad" ozone? |
| | A) | ionosphere |
| | B) | mesosphere |
| | C) | stratosphere |
| | D) | troposphere |
|