APES unit 7

Front

What is the pH scale and what does a pH less than 7 indicate?

Back

The pH scale measures the acidity or alkalinity of a solution. A pH less than 7 indicates that the solution is acidic.

Front

What is carbon monoxide and why is it significant as an air pollutant?

Back

Carbon monoxide is a colorless, odorless gas that is a significant indoor air pollutant, often produced by incomplete combustion of fossil fuels.

Front

What is the purpose of catalytic converters in vehicles?

Back

Catalytic converters are used to reduce nitrogen oxide emissions from vehicle exhaust by converting harmful gases into less harmful substances.

Front

What is smog and what is its principal component?

Back

Smog is a type of air pollution that is a mixture of smoke and fog. Its principal component is ozone (O3), formed from chemical reactions involving VOCs and NOx.

Front

What health effects are associated with exposure to ozone?

Back

Exposure to ozone can cause breathing problems, reduced lung capacity, asthma, eye irritation, and reduced resistance to disease.

Front

What environmental effects can ozone have?

Back

Ozone can damage plants and ecosystems, affecting growth and health.

Front

What is lead and what neurological damage can it cause?

Back

Lead is a heavy metal that can cause significant neurological damage in humans, particularly affecting cognitive functions and development.

Front

What are volatile organic compounds (VOCs) and their role in air pollution?

Back

VOCs are organic chemicals that can evaporate into the air and contribute to air pollution, particularly in the formation of smog.

Front

What is the relationship between nitrogen oxides (NOx) and air quality?

Back

Nitrogen oxides (NOx) are pollutants that can contribute to the formation of smog and acid rain, negatively impacting air quality and human health.

Front

What are the primary sources of carbon monoxide emissions?

Back

Primary sources of carbon monoxide emissions include vehicle exhaust, industrial processes, and residential heating.