Physical And Chemical Reaction Flashcards
1
Q
A physical change is when something ____________.
A
Changes state.
2
Q
A chemical change is when it is ______________, the ___________ break and new _________ are made. This is a reaction.
A
An irreversible change most of the time
Bonds
Bonds
3
Q
What happens when you mix white copper sulphate and water?
A
The copper sulphate turned blue.
4
Q
What gas is released when you mix lemon juice and bicarbonate of soda?
A
Carbon Dioxide (CO2)