Air Pollution (Cognito Video)

What are the primary products when pure hydrocarbons burn completely?

• Carbon monoxide and water

• Carbon dioxide and water

• Sulfur dioxide and nitrogen oxides

• Particulates and carbon monoxide

What is the term used for the burning of hydrocarbons with plenty of oxygen?

• Oxidative combustion

• Incomplete combustion

• Partial combustion

• Complete combustion

What harmful substance is produced during incomplete combustion?

• Water

• Oxygen

• Carbon dioxide

• Carbon monoxide

What are the two main problems associated with particulates?

• They damage lungs and cause global dimming

• They cause acid rain and global warming

• They lead to nitrogen oxides and smog

• They produce carbon monoxide and sulfur dioxide

What is the primary danger of carbon monoxide?

• It forms acid rain

• It creates smog

• It binds to hemoglobin, reducing oxygen transport

• It causes global dimming

Why is carbon monoxide difficult to detect?

• It is colorless and odorless

• It reacts quickly with other gases

• It is heavier than air

• It is only produced in small amounts

How is sulfur dioxide formed during the burning of fossil fuels?

• By the incomplete combustion of hydrocarbons

• By the reaction of carbon dioxide and water

• By the oxidation of sulfur impurities

• By the reaction of nitrogen and oxygen

What conditions are required for the formation of nitrogen oxides?

• Low temperatures

• Presence of sulfur

• Complete combustion

• High temperatures

What is one of the major effects of acid rain?

• It reduces oxygen levels in the atmosphere

• It causes smog formation

• It damages buildings and statues

• It increases global warming

How does acid rain affect plants?

• By increasing soil nutrients

• By reducing sunlight

• By making the soil more acidic

• By providing essential minerals