Endothermic and Exothermic Flashcards
1
Q
What is a physical change?
A
A PROCESS in which only the PHYSICAL properties of a substance CHANGE. CHEMICAL properties remain the SAME.
2
Q
What is a Chemical Change?
A
A REACTION in which an entirely NEW substance is formed.
3
Q
Heat ABSORBED, bonds BROKEN
A
Endothermic
4
Q
Heat RELEASED, bonds FORMED
A
Exothermic
5
Q
Neutralisation is…
A
Exothermic
6
Q
Thermal Decomposition is…
A
Endothermic
7
Q
Displacement reactions are…
A
Exothermic
8
Q
Acids and Hydrogencarbonates are…
A
Endothermic
9
Q
Combustion reactions are…
A
Exothermic
10
Q
Oxidation reactions are…
A
Exothermic