Thermal Decomposition Flashcards
0
Q
What metals break down on heat?
A
Transition metal carbonates
1
Q
What is the definition?
A
Substance that breaks down into at least two other substances using heat
2
Q
Give me a example of a transition metal carbonate?
A
Copper carbonate (CUC03)
3
Q
What do they break down into?
A
Metal oxide and carbon dioxide
4
Q
What does the breaking down result in?
A
A colour change
5
Q
What is precipitation reaction?
A
Where two solutions react and an insoluble solid forms in the solution
6
Q
Some soluble transition metal compounds react with what to form what?
A
React with sodium hydroxide to form an insoluble hydroxide
7
Q
Give me a example:
A
Cooper sulphate+ sodium hydroxide—> copper hydroxide + sodium sulphate
8
Q
What colour is iron hydroxide?
A
Green/grey
9
Q
What colour is copper hydroxide?
A
A blue solid
