Which kind of property (chemical or physical) is demonstrated in each case?

Hi there, can you guys answer these for me:

Is each change physical or chemical?

Which kind of property (chemical or physical) is demonstrated in each case?

(a) The evaporation of rubbing alcohol   
(b) The burning of lamp oil  
(c) The bleaching of hair with hydrogen peroxide   
(d) The forming of frost on a cold night

Also,

(a)  A copper wire is hammered flat.
(b)  A nickel dissolves in acid to form a blue-green solution.    
(c)  Dry ice sublimes (changes into a gas) without melting.
(d)  A match ignites when struck on a flint.

Thank you