Cleaning up exhaust

Question 1

What do modern cars have to make their exhausts less harmful?

Answer 1

Catalytic Converter

Question 2

Where is the catalytic converter of a car engine

Answer 2

In between the engine and the exhaust pipe

Question 3

What is a hydrocarbon?

Answer 3

A compound containing only carbon and hydrogen

Question 4

Write the equation for the combustion of a hydrocarbon

Answer 4

Hydrocarbon + Oxygen –> Carbon Dioxide + Water

Question 5

Which substances are released when a petrol engine burns fuel?

Answer 5

Carbon Dioxide
Water
Carbon Monoxide
Nitrogen Monoxide
Small unburned hydrocarbons

Question 6

What do catalytic converters do?

Answer 6

Speed up the reaction of harmful gases to make them less harmful

Question 7

Nitrogen monoxide –>

Answer 7

Nitrogen + Oxygen

Question 8

Name the metals found inside catalytic converters

Answer 8

Platinum
Rhodium
Palladium

Question 9

Octane + Oxygen –>

Answer 9

Octane + Oxygen –> Carbon Dioxide + Water

Question 10

Carbon monoxide + Oxygen –>

Answer 10

Carbon monoxide + Oxygen –> Carbon Dioxide