Question

1. Are state changes chemical or physical changes? Provide an example of a state change and explain why it is a chemical or physical change.

Answer 1

a) Diluting of salt is a physical change

b) burning of wood into ash is a chemical change

Step-by-step explanation:

1 )The reason why example A is a physical change is that after dilution and u heat it you get it back

2)The reason why example is a chemical change is that after burning it you want get the wood back