Atmospheric Chemistry MCQs
Atmospheric Chemistry MCQs
Answer these 30 Atmospheric Chemistry MCQs and assess your grip on the subject of Atmospheric Chemistry. Scroll below and get started!
1: Co(g) effuses at a rate that is ______ times that of br2(g) under the same conditions.
A. 3.6
B. 2.2
C. 3.2
D. 3.4
2: Co(g) effuses at a rate that is ______ times that of kr(g) under the same conditions.
A. 0.73
B. 2.73
C. 1.73
D. 4.73
3: Co(g) effuses at a rate that is ______ times that of xe(g) under the same conditions.
A. 1.16
B. 3.16
C. 2.16
D. 4.16
4: Environmental bioremediation using bacteria is least effective on _____.
A. Eutrophication
B. The drums corrode.
C. Heavy metals
D. Brain damage
E. Eating contaminated fish
5: In the kinetic-molecular theory of gases, the assumption is made that gas molecules________.
A. Hemodialysis
B. Move rapidly in random directions
C. Rapidly; elastic
D. The particles of a gas are very far apart
6: In the oceans, global warming has ______.
A. Of rapid habitat loss
B. Made the water more acidic
C. Close to the poles
D. Carbon dioxide
7: Nitrogen and oxygen are _____ gases in the atmosphere.
A. Trace
B. Variable
C. Primary
D. Rare
8: Nitrogen gas consists of _____
A. A molecule of two Nitrogen atoms
B. A molecule of diatomic Nitrogen atoms
C. Both
D. A molecule of two oxegon atoms
9: Suppose you take a deep breath. you have just inhaled approximately ________ from the troposphere.
A. 78% oxygen and 21% ozone
B. 78% carbon dioxide and 21% ozone
C. 78% nitrogen and 21% ozone
D. 78% oxygen and 21% carbon dioxide
E. 78% nitrogen and 21% oxygen
10: When the kelvin temperature of an enclosed gas doubles, the particles of the gas ____.
A. Move faster
B. Strike the walls of the container with less force
C. Decrease in average kinetic energy
D. Decrease in volume
11: Gaseous mixtures ________.
A. Can only contain molecules
B. Are all heterogeneous
C. Can only contain isolated atoms
D. Are all homogeneous
E. Must contain both isolated atoms and molecules
12: The solubility of carbon dioxide in soda water decreases with _________ temperature.
A. Increasing
B. Decreasing
C. Equal
D. None of the above
13: Photochemical smog is characteristic of urban areas with many vehicles and a climate that is ____.
A. Cool and cloudy
B. Cool and sunny
C. Warm and sunny
D. Warm and cloudy
E. Wet and sunny
14: If all of the stratospheric ozone suddenly disappeared, ________.
A. Earth's surface would warm considerably
B. Most life on Earth would cease to exist because of the amount of UV radiation penetrating the atmosphere
C. Plants would flourish
D. Insects would be the only organisms to survive
E. There would be a dramatic decrease in skin cancers
15: Of the following, only __________ is impossible for an ideal gas.
A. V1/T1=V2/T2
B. V1T1 = V2T2
C. V1/V2=T1/T2
D. V2 =T2/T1^V1
E. V1/V2=T1/T2 = 0
16: For a 1s orbital, respectively n = _____ and l = _____
A. 2, 1
B. 3, 2
C. 1, 0
D. 2 n2
17: Air temperatures in the upper stratosphere are ______ air temperatures in the lower stratosphere.
A. Lower than
B. Higher than
C. About the same as
18: A gas under constant pressure will ____________ when ____________.
A. Contract; heated
B. Expand; cooled
C. Expand; heated
D. Keep the same volume when heated or cooled
19: The central atom in ________ does not violate the octet rule.
A. XeF4
B. SF4
C. CF4
D. KrF2
E. ICl4-
20: Today, ________ has the worst acid deposition problem, primarily because of ________.
A. European Union nations; tropospheric ozone
B. The United States; soil dust aerosols
C. China; coal-fired electrical and industrial plants
D. Sweden; methane emissions from cattle and natural gas heating
21: Ozone is destroyed by cfcs because the ________ in the cfcs combines with oxygen.
A. Carbon dioxide
B. Liquids
C. Chlorine
D. Fluorine
22: Photochemical smog differs from industrial smog in that it ________.
A. Is formed only in the presence of sunlight
B. Were the result of poor farming and grazing techniques
C. Warmer and wetter; then it rises, expanding and cooling
D. Increasing skin cancer in humans
23: The main component of the lower atmosphere by total volume is ________.
A. Helium
B. Water vapor
C. Nitrogen
D. Oxygen
E. Argon
24: Over warm oceans, water vapor comprises about ________ percent of the volume of the atmosphere.
A. 1
B. 2
C. 3
D. 4
25: The ozone layer is located in the _____.
A. Stratosphere
B. Troposphere
C. Mesosphere
D. Thermosphere
26: Air near earth's surface tends to be ________.
A. Cooler and drier; it rises when it is displaced by sinking warm air
B. Cooler and wetter; then it rises, is warmed by the sun, and sinks again
C. Warmer and wetter; then it rises, expanding and cooling
D. Warmer; it rises as it is displaced by Coriolis forces
E. Warmer and drier; then it rises, condensing and gathering moisture
27: Carbon dioxide and ________ are the most important heat absorbing gases in the lower atmosphere.
A. Water vapor
B. Wavelength
C. Neap tides
D. All of these
28: Carbon dioxide and water vapor are variable gases because _____.
A. Their amounts vary throughout the atmosphere
B. They only make up 1% of the atmosphere
C. Sometimes they're in the atmosphere, sometimes they're not
D. One gas depends on the other gas
29: Halons and cfcs both _______.
A. Inhibit ozone formation
B. Cause ozone formation in the troposphere
C. Destroy ozone in the stratosphere
D. Cause excess ozone formation in the stratosphere
30: Lead enters the atmosphere as a particulate pollutant. this is a problem because lead ________.
A. Causes excess nutrification of waterways, resulting in eutrophication
B. Cause the ozone hole to increase
C. Causes central nervous system malfunction in humans
D. Is a precious metal, and it is being lost to the atmosphere
31: Of the following, ________ is not yet regulated by the epa.
A. Sulfur and nitrogen oxides
B. Lead
C. Carbon dioxide
D. Ozone
E. Carbon monoxide
32: Oxidation of a 2 alcohol with chromic acid results in the production of ________.
A. An ether
B. An ester
C. An aldehyde
D. A ketone
E. None of the above
33: Oxygen (o2)is being added to the atmosphere by ________.
A. Solar radiation
B. Meteorites
C. Vegetation
D. Animal decomposition
E. The burning of coal
34: The volume of 0.15 mol of an ideal gas at 365 torr and 97 c is ________ L.
A. 5.5
B. 9.5
C. 19.5
D. 7.5
35: Earths __________ and __________ help it to sustain life.
A. Biosphere, geosphere, hydrosphere ; atmosphere
B. Distance from the sun
C. Existence of liquid water
D. Presence of molten core
36: Stratospheric ozone depletion is currently most serious ________.
A. Over England and Australia
B. Over New Zealand and Australia
C. Over New Zealand and England
D. Over New Zealand and America
37: The absorption of human-generated co2 by the oceans __________.
A. Increases the oceanic concentration of carbonic acid
B. Reduces the carbonate ion concentration in the oceans and threatens calcifying organisms in marine ecosystems
C. Increases the oceans' acidity and lowers pH
D. Increases the hydrogen ion concentration in the oceans but decreases the carbonate ion concentration and threatens the livability of the oceans for calcifying organisms
E. All of the listed responses are correct
38: Current concentration of co2 in the atmosphere is _______ according to the keeling graph.
A. Over 400 ppm
B. Over 500 ppm
C. Over 300 ppm
D. All of this
39: Cyclonic flow means ____ in either the northern or southern hemisphere.
A. Circulation around a low pressure center
B. Gravitational force
C. Counterclockwise flow
D. Clockwise wind flow
40: The so-called "winds of commerce" are the ________ winds.
A. Gravity
B. Trade
C. Urban
D. Monsoon
41: Rising and falling of air over large areas is most properly known as ________ and ________.
A. Over the continents
B. Ascent, subsidence
C. Pressure gradient
D. Jet stream
42: Crystalline salts such as cesium bromide form _____ bonds with __________.
A. Ionic, electrostatic attractions
B. The valence electrons in each atom.
C. Covalent
D. Ionic bonds
43: It is believed the most prominent means by which humans add co2 to the atmosphere is by ________.
A. The burning of coal and other fossil fuels
B. Short-wave radiation; long-wave radiation
C. Burning fossil fuels
D. None of these
44: In industrialized nations, the two most deadly sources of indoor pollution are ________.
A. Pesticides and cleaning agents
B. Synthetic furniture materials and radiation from electronic equipment
C. Radiation from electronic equipment and pesticides
D. Random and cigarette smoke
E. Pesticides and cigarette smoke
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