7.2 Preparation of Salts Flashcards
1
Q
Define a salt
A
A salt is a compound that is formed when the hydrogen atom in an acid is replaced by a metal
2
Q
What are the two ways to prepare a soluble salt?
A
- Adding acid to a solid metal, insoluble base or insoluble carbonate
- Reacting a dilute acid and alkali (soluble base)
3
Q
How to prepare insoluble salts?
A
Through a a precipitation reaction
4
Q
Sodium, potassium and ammonium are all ___
A
Soluble
5
Q
All nitrates are ___
A
Soluble
6
Q
All Chlorides are ___ Apart from ___ and ___.
A
Soluble, Silver & Lead(II)
7
Q
All sulfates are ___ apart from ____, _____ & ____.
A
Soluble, Barium, Calcium & Lead(II)
8
Q
All Carbonates are ___ apart from ____, ____ & ____
A
Insoluble, Sodium, Potassium & Ammonium
9
Q
Define ‘water of crystallisation’
A
When water molecules are included in the structure of salts during crystallisation
10
Q
How is water of crystallisation denoted in a symbol equation?
A
· xH₂O (x is the coefficient)
