how do chemical changes occur? Flashcards
1
Q
what is mixing
A
2/more reactants are mixed together and can combine irreversibly to form 1/more products
2
Q
what is heating?
A
heat is needed for a chemical reaction such as combustion/thermal decomposition to occur
3
Q
what is exposure to light?
A
eg photosynthesis
4
Q
_____ with O_
A
interaction with O2
