Paper 1 Questions Flashcards
0
Q
Name the compound present in rust
A
Hydrated Iron Oxide
1
Q
State two methods used to prevent Iron from rusting
A
- Coating with tin or a metal below aluminium in the reactivity series
- Attaching magnesium or zinc blocks (to ships)
2
Q
Ammonium chloride contains oppositely charged ions.
State the formula of each ion
A
Cation: NH4+
Anion: Cl-