Types Of Reactions Flashcards
1
Q
What is physical reaction?
A
A change that is reversible. For example evaporating water.
2
Q
What is a chemical reaction?
A
A change that irreversible. For example baking a cake.
3
Q
What the 5 signs of a chemical reaction?
A
Change of colour Formation of gas Formation of a new substance Change of temperature Energy produced e.g. noise
4
Q
How does a chemical reaction occur?
A
It’s When atoms are rearranged to create a new substance.
5
Q
Give 7 examples of a physical reaction.
A
Freezing Melting Boiling Evaporating Distillation Chromatography Filtration
6
Q
Give examples of a chemical reaction.
A
Baking
Frying
Burning
