Reactions When Substances Burn Flashcards
1
Q
What is burning
A
Burning is a chemical reaction that requires oxygen (or air )
2
Q
What is air
A
Air is a mixture of gases
3
Q
What are these mixtures
A
78 nitrogen 21 oxygen and 1 other gases
4
Q
What is the word equation for burning
A
Substance+oxygen->substance oxide
5
Q
Which three elements don’t give dioxides
A
Carbon,sulfur and nitrogen