8E — Combustion

Question 1

What is a hydrocarbon?

Answer 1

A hydrocarbon is a compound containing only hydrogen and carbon.

Question 2

1) What is combustion?

2) What is oxidation?

Answer 2

1) Combustion is when a fuel burns.

2) Oxidation is reacting with oxygen.

Question 3

What are the three parts of the fire triangle?

Answer 3

The fire triangle contains oxygen, heat and fuel.

Question 4

1) What is complete combustion and the word equation?

2) What is incomplete combustion and the word equation?

Answer 4

1) Complete combustion is when a fuel reacts completely with oxygen.
Hydrocarbon + oxygen —> Carbon dioxide + water
2) Incomplete combustion is when a fuel reacts partially with oxygen.
Hydrogen + oxygen —> carbon dioxide + water + carbon monoxide + carbon (soot)

Question 5

What is acid rain?

Answer 5

Acid rain is rain water that is made more acidic by dissolved sulfur dioxide and nitrogen oxides.