Chemistry Year 9 Topic 4 - Reactions Flashcards
1
Q
Reactions of oxygen?
A
Respiration, Rusting and Combustion
2
Q
Test for Oxygen?
A
Relight a glowing Splint
3
Q
What is a catalyst?
A
A chemical that speeds up a reaction without being used up
4
Q
Uses of Oxygen?
A
Breathing Apparatus
Welding
Rocket fuel
5
Q
Test for Carbon Dioxide?
A
Turns limewater cloudy
6
Q
Uses of Carbon Dioxide?
A
Fire extinguishers
Fizzy drinks
Dry ice
7
Q
Test for Hydrogen?
A
Burning splint squeaky pop
8
Q
Uses for Hydrogen?
A
Making margarine
Rocket fuel
Clean fuel
9
Q
What is Exothermic?
A
Giving out heat , temp goes up
10
Q
What is Endothermic?
A
Taking in heat, temp goes down
11
Q
What is oxidation?
A
Oxygen added
12
Q
What is Reduction?
A
Oxygen removed
13
Q
Redox Reaction
A
When oxidation and reduction occur in the same reaction
