Melting butter is a physical change. The statement that best describes what is happening is that the butter contains a new arrangement of atoms.
5. A
this is the answer check it out
Answer:
Explanation:
C is oxidised because C up to C+4
PbO is reduced because PbO from Pb2+ down to Pb0
Answer:
A D F
Explanation:
Its right but its not in order But its A D and F
