Photochemical Smog

Which product of incomplete combustion gives photochemical smog its yellowish color?

• PANs

• Ozone

• VOCs

• Nitrous oxide

How does the location of Los Angeles make it more susceptible to pollution?

• Its tropical location causes high temperatures, which increases air pollution.
• Its location in a bowl formed by mountains causes air pollution to get trapped.
• Its location on a large, flat plain exposes it to the wind, which carries air pollution.
• Its coastal location exposes it to pollution from the sea.

The amount of primary pollutants in the air increases during ___________.

• sunlight

• high traffic

• night time

• low traffic

What will happen to the rate of the photochemical reaction if the intensity of light is decreased?

• get faster

• get slower

• remain constant

• nothing happen

How many oxygen atoms does a molecule of ozone contain?

• 1

• 2

• 3

• 4

The minimum amount of energy needed for colliding particles to react is called the

• Chemical Energy

• Kinetic Energy

• Activation Energy

• Potential Energy

A substance that increases the rate of a reaction without being used up during the reaction is called a

• catalyst

• product

• reactant

• solute

What does a Catalytic Converter do?

• Prevents overheating in a reaction

• Speeds the reaction of fuel conversion

• Reduces harmful emissions

• Prevents production of SO₂

Carbon monoxide is:

• A poisonous gas that is colorless, odorless, and tasteless

• A product of fuel burning appliances

• Dangerous when inhaled because it displaces oxygen in the blood, depriving vital organs of oxygen

• All of the above

A colorless, odorless gas that decreases the blood's ability to carry oxygen.  Can cause faintness, death.

• Nitrogen oxides
• Ground-level ozone
• Carbon monoxide
• Sulfur dioxide