C3.3.5 - Body! (Reactivity series, metals and oxygen or water) Flashcards
1
Q
What is the reaction that leads to rust formation?
A
Iron + Water + Oxygen –> Hydrated Iron Oxide
2
Q
What is the rhyme that will help you to remember the reactivity series?
A
- Please
- Send
- Charlies
- Monkeys
- And
- Zebras
- In
- Lead
- Cages
- Securely
- Guarded
- Platinum
3
Q
Metal + Acid –> ____ + ___
A
Metal + Acid –> Salt + Hydrogen
4
Q
What do we call the order that metals react?
A
The reactivity series
5
Q
What is rust?
A
Hydrated iron oxide
6
Q
What is the reactivity series?
A
- Potassium
- Sodium
- Calcium
- Magnesium
- Aluminium
- Zinc
- Lead
- Copper
- Silver
- Gold
- Platinum
7
Q
Iron + ____ + ____ –> Hydrated iron oxide
A
Iron + Oxygen + Water –> Hydrated iron oxide
8
Q
Why is jewelry made from gold, silver and platinum?
A
Because they are not very reactive so they do not tarnish easily.
9
Q
What does tarnish mean?
A
When a metal turns dull due to reacting with elements in the air.