Pollution Due To Combustion: Question Preview (ID: 10128)


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Combustion reactions release harmful gases into air. These gases
a) may be useful for the environment. b) do not affect the quality of air. c) may pollute the air. d) do not affect the quality of the environment.
Indicate which of the following is a harmful effect of combustion reactions.
a) Combustion reactions are used for heating homes. b) Combustion reactions may cause air pollution. c) Combustion reactions are used for powering vehicles. d) Combustion reactions are used for producing electricity.
Contamination of air with harmful gases or materials is called
a) Soil pollution b) Water pollution c) Air pollution d) Land pollution
Combustion reactions release harmful gases (air pollutants) into air. Indicate which of the following is not an air pollutant.
a) Carbon dioxide gas. b) Sulfur dioxide gas. c) Oxygen gas. d) Oxides of nitrogen.
Pick out from the following human activities, those that are sources of air pollution.
a) Burning garbage. b) Walking. c) Planting trees. d) Cycling.
The increase in the level of air pollutants like sulfur dioxide gas in air results in an environmental problem called:
a) Global Warming. b) Acid Rain. c) Ozone Depletion. d) Breathing problems (suffocation)
Global warming results from:
a) The increase in the level of sulfur dioxide gas in air. b) The decrease in the level of sulfur dioxide gas in air. c) The increase in the level of carbon dioxide gas in air. d) The decrease in the level of carbon dioxide gas in air.
The heat radiated back from earth is trapped by polluting gases like carbon dioxide and warm the air, that increases atmospheric temperature of earth. This phenonmenon is called:
a) Global warming. b) Acid rain. c) Ozone depletion. d) Breathing problems (suffocation)
To fight against global warming, one must reduce the level of carbon dioxide gas in air. This can be done through:
a) Reducing walking and cycling. b) Use fuel with low sulfur content. c) Use public transportation like buses, trains, .. d) Cutting trees.
To fight against acid rain, one must reduce the level of sulfur and nitrogen oxides in air. Which of the following increases the level of sulfur or nitrogen oxides in air?
a) The use fuel with high sulfur content. b) The use of filters in smokestacks of factories. c) Equiping vehicles with catalytic converters. d) The use of solar of energy.
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