Combustion

Question 1

What is combustion?

Answer 1

A chemical reaction where a fuel reacts with oxygen and gives off heat and light.

Question 2

What are the three parts of the fire triangle?

Answer 2

Heat, oxygen, and fuel.

Question 3

What are the products of complete combustion?

Answer 3

Carbon dioxide and water.

Question 4

What are the possible products of incomplete combustion?

Answer 4

Carbon monoxide (CO), soot (carbon), and water.

Question 5

Why is carbon monoxide dangerous?

Answer 5

It’s a poisonous gas that stops oxygen from being carried in the blood.

Question 6

What type of flame does incomplete combustion make?

Answer 6

A yellow, smoky flame.

Question 7

Is fire a substance?

Answer 7

No — fire is a process, not a thing. It’s a reaction between substances.