Investigating Catalysts Flashcards
1
Q
What does hydrogen peroxide decompose into to
A
Water and oxygen
2
Q
Word equation
A
Hydrogen peroxide -> water + oxygen
3
Q
How fast is the reaction of hydrogen peroxide
A
Normally slow but made to go much faster using a catalyst: potassium Iodide (KI)
4
Q
Metals that rust
A
Iron and steel
5
Q
Iron +oxygen + water -> ?
A
Hydrated iron oxide
6
Q
Copper is a ?
A
Orange metal
7
Q
Oxygen is a ?
A
Colourless gas
8
Q
Copper oxide is a ?
A
Black powder
9
Q
Are copper and oxygen a element or compound?
A
Element
10
Q
Is copper oxide a element or compound?
A
Compound
11
Q
What is the symbol equation for Copper + oxygen -> copper oxide
A
2Cu + O2 -> 2CuO
